Jun 24, 2020 · The Philadelphia Energy Authority concluded that more than half of all African-American households experience some form of energy insecurity annually; in the form of unpaid bills, sacrificing basic necessities or simply living with unhealthy temperatures to reduce cost. The Philadelphia Department of Public Health has made great strides in ... Be prepared with the most accurate 10-day forecast for Philadelphia, PA with highs, lows, chance of precipitation from The Weather Channel and Weather.comPhiladelphia PA. 39.96°N 75.16°W (Elev. 26 ft) Last Update: 1:09 am EDT Aug 23, 2023. Forecast Valid: 2am EDT Aug 23, 2023-6pm EDT Aug 29, 2023. Forecast Discussion.See the latest Pennsylvania Doppler radar weather map including areas of rain, snow and ice. Our interactive map allows you to see the local & national weatherWeather today in Philadelphia will be moderate rain. The daytime temperature is going to reach 32.0 °c and the temperature is going to dip to 21.0 °c at night. We expect around 6.6 mm of precipitation to fall, the humidity will be around 75%. Weather in October. October, like September, is another refreshing autumn month in Philadelphia, New York, with temperature in the range of an average high of 55.9°F and an average low of 43.3°F. The move into October indicates a reduction in the average high-temperature, down from September's agreeable 69.1°F to a moderate 55.9°F. Looking back at the annual figures on the IQAir website, it can be seen that Philadelphia’s air quality remains fairly stable. In 2017 it was 9.6 µg/m³ followed by 9.3 µg/m³ in 2018. 2019 saw a slightly worse figure of 10.5 µg/m³ before it improved again in 2020 with a 9.5 µg/m³ reading.The average temperatures are between 69°F and 84°F. You can expect about 3 to 8 days of rain in Philadelphia during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather. Our weather forecast can give you a great sense of what weather to expect in Philadelphia in August 2023.Pennsylvania, United States. Daily high temperatures are around 86°F, rarely falling below 77°F or exceeding 94°F. The highest daily average high temperature is 87°F on July 21. Daily low temperatures increase by 2°F, from 67°F to 70°F, rarely falling below 60°F or exceeding 76°F. The highest daily average low temperature is 70°F on ...Rain? Ice? Snow? Track storms, and stay in-the-know and prepared for what's coming. Easy to use weather radar at your fingertips! Cloudy today with a high of 83 °F (28.3 °C) and a low of 64 °F (17.8 °C). There is a 51% chance of precipitation. Thunderstorms today with a high of 83 °F (28.3 °C) and a low of 62 °F (16.7 ... Philadelphia News, Local News, Weather, Traffic, Entertainment, and Breaking NewsThe Philadelphia Energy Authority concluded that more than half of all African-American households experience some form of energy insecurity annually; in the form of unpaid bills, sacrificing basic necessities or simply living with unhealthy temperatures to reduce cost. The Philadelphia Department of Public Health has made great strides in ...Open to all Philadelphia residents age 5 and older. To schedule an appointment, call (215) 685-2933. Sep. 6. Event. Walk-in COVID-19 Vaccine Clinic. 8:00 am to 1:00 pm.Jan 2, 2020 · For the 15th consecutive year, the official annual average temperature in Philadelphia — 57.3 degrees Fahrenheit — was higher than the city’s 20th-century annual average. In the 21st century, the lone exception to the trend was 2003, when the annual temperature, 54.9, finished in a dead heat with that of the 20th-century average. Weather conditions can be closely tied with health-related pains and outdoor activities. See a list of your local health and activity forecasts and recommendations. Tonight 27 Aug Philadelphia. Partly cloudy in the Evening, then becoming mostly cloudy. Humid with Lows in the upper 60s. Northeast Winds around 5 Mph. 1-Day 3-Day 5-Day. Temperature. Sun 27 Aug Mon 28 Aug Tue 29 Aug Wed 30 Aug Thu 31 Aug Fri 1 Sep Sat 2 Sep. 100 °F 80 °F 60 °F. Graph Plots Open in Graphs.Average temperature in FebruaryPhiladelphia, PA. Average high temperature in February: 41.5°F. The warmest month (with the highest average high temperature) is July (86.4°F). The month with the lowest average high temperature is January (37.4°F). Average low temperature in February: 27.9°F.The tables below display average monthly climate and weather indicators in Philadelphia Pennsylvania. Temperature by: Fahrenheit / Centigrade. Philadelphia Temperature. Jan. Feb. Mar. Apr. May. Jun. Number of days in November when the temperature in Philadelphia dropped to 32 or below, or rose to at least 70 degrees Fahrenheit. 32 °F. 0 °C. Year. 70 °F. 21 °C. 5. 2022. 10. Pennsylvania, United States. Daily high temperatures are around 86°F, rarely falling below 77°F or exceeding 94°F. The highest daily average high temperature is 87°F on July 21. Daily low temperatures increase by 2°F, from 67°F to 70°F, rarely falling below 60°F or exceeding 76°F. The highest daily average low temperature is 70°F on ... Looking back at the annual figures on the IQAir website, it can be seen that Philadelphia’s air quality remains fairly stable. In 2017 it was 9.6 µg/m³ followed by 9.3 µg/m³ in 2018. 2019 saw a slightly worse figure of 10.5 µg/m³ before it improved again in 2020 with a 9.5 µg/m³ reading. Buy Historical Weather Data and Averages for. Apart from annual weather averages, the data is also available in hourly interval in CSV format from July 2008 onwards. Following weather fields are provided in CSV format. Temperature (°C/°F) Visibility (km or miles) Pressure (mb or inches) Cloud (%) Humidity (%) Wind Speed (km/h, mph, knots or m/s) A graph and an animated time series showing the change in global surface temperature relative to 1951-1980 average temperatures. The year 2020 ties with 2016 as the warmest on record. Vital Signs of the Planet: Global Climate Change and Global Warming.Weather in October. October, like September, is another refreshing autumn month in Philadelphia, New York, with temperature in the range of an average high of 55.9°F and an average low of 43.3°F. The move into October indicates a reduction in the average high-temperature, down from September's agreeable 69.1°F to a moderate 55.9°F.Weather today in Philadelphia will be moderate rain. The daytime temperature is going to reach 32.0 °c and the temperature is going to dip to 21.0 °c at night. We expect around 6.6 mm of precipitation to fall, the humidity will be around 75%.The Department of Public Health leads Philadelphia's COVID-19 response. We provide services, support, and guidance to protect our residents from COVID-19. Share guidance and recommendations so people and organizations can make safer choices. Work with underserved communities so they can access testing, treatment, and vaccines.National Weather Service Philadelphia/Mt Holly 732 Woodlane Rd. Mount Holly, NJ 08060 609-261-6600 Comments? Questions? Please Contact Us. Disclaimer Information QualityAug 24, 2023 · A graph and an animated time series showing the change in global surface temperature relative to 1951-1980 average temperatures. The year 2020 ties with 2016 as the warmest on record. Vital Signs of the Planet: Global Climate Change and Global Warming. The data for this report comes from the Philadelphia International Airport. See all nearby weather stations. This report shows the past weather for Philadelphia, providing a weather history for August 2021. It features all historical weather data series we have available, including the Philadelphia temperature history for August 2021.Jan 10, 2023 · 2023 Philadelphia Weather Extremes; Highest temperature: 95 °F: July 13: Lowest temperature: 15 °F: February 4: Highest daily low: 79 °F: July 14: Lowest daily high: 28 °F: February 4: Most daily precipitation: 1.7 inches: July 16: Most daily snow: 0.3 inches: February 1: Total annual precipitation: 24.8 inches-Total annual snow: 0.3 inches- Past Weather in Philadelphia, Pennsylvania, USA — Yesterday and Last 2 Weeks. Time/General. Weather. Time Zone. DST Changes. Sun & Moon. Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Currently: 70 °F. Clear. Climate in Philadelphia, Pennsylvania. Philadelphia, PA enjoys a humid subtropical climate with warm summers and cold winters. The average high temperature throughout the year is around 73°F (23°C) while the average low temperature is around 50°F (10°C). Precipitation is fairly common in Philadelphia with an average of around 3.8 inches per ...Open to all Philadelphia residents age 5 and older. To schedule an appointment, call (215) 685-2933. Sep. 6. Event. Walk-in COVID-19 Vaccine Clinic. 8:00 am to 1:00 pm. The season sees a gradual uptick in temperature from 49.8°F to 72°F. These months have high levels of relative humidity ranging from 72% to 75% and a decent amount of rainfall. The moderate temperatures partnered with an average of 1.18" to 1.06" of rainfall make the spring both lovely and pleasant.Past Weather in Philadelphia, Pennsylvania, USA — Yesterday and Last 2 Weeks. Time/General. Weather. Time Zone. DST Changes. Sun & Moon. Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Currently: 70 °F. Clear. This indicator examines trends in unusual temperatures from several perspectives: Unusually hot summer temperatures and cold winter temperatures nationwide (Figures 1 and 2). The change in the number of days with unusually hot and cold temperatures at individual weather stations (Figures 3 and 4). Changes in record high and low temperatures ...2010. 3. -4. Number of days in February when the temperature in Philadelphia dropped to 32 or below, or rose to at least 70 degrees Fahrenheit. 32 °F. 0 °C. Year. 70 °F. 21 °C.Tonight 27 Aug Philadelphia. Partly cloudy in the Evening, then becoming mostly cloudy. Humid with Lows in the upper 60s. Northeast Winds around 5 Mph. 1-Day 3-Day 5-Day. Temperature. Sun 27 Aug Mon 28 Aug Tue 29 Aug Wed 30 Aug Thu 31 Aug Fri 1 Sep Sat 2 Sep. 100 °F 80 °F 60 °F. Graph Plots Open in Graphs. TONIGHT’S WEATHER FORECAST. 9/5. 67° Lo. RealFeel® 66°. Clear, warm and humid.Be prepared with the most accurate 10-day forecast for Philadelphia, PA with highs, lows, chance of precipitation from The Weather Channel and Weather.comJul 21, 2023 · This indicator examines trends in unusual temperatures from several perspectives: Unusually hot summer temperatures and cold winter temperatures nationwide (Figures 1 and 2). The change in the number of days with unusually hot and cold temperatures at individual weather stations (Figures 3 and 4). Changes in record high and low temperatures ... Hourly Local Weather Forecast, weather conditions, precipitation, dew point, humidity, wind from Weather.com and The Weather Channel The first month of the winter, December, is also a frosty month in Philadelphia, Pennsylvania, with an average temperature ranging between max 44.1°F and min 32.9°F. Temperature Philadelphia's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's cool 52.7°F to a frosty 44.1°F. In ...Aug 31, 2020 · A temperature gun and hand sanitizer are seen at the front desk of Inborn Tattoo on 3rd Ave. in Brooklyn, New York on Monday, July 6, 2020. Tattoo parlors were allowed to open today as part of New ... 646,608. Persons per household, 2017-2021. 2.40. Living in same house 1 year ago, percent of persons age 1 year+, 2017-2021. 86.2%. Language other than English spoken at home, percent of persons age 5 years+, 2017-2021. 23.7%. Computer and Internet Use. Households with a computer, percent, 2017-2021.2010. 3. -4. Number of days in February when the temperature in Philadelphia dropped to 32 or below, or rose to at least 70 degrees Fahrenheit. 32 °F. 0 °C. Year. 70 °F. 21 °C. Rain? Ice? Snow? Track storms, and stay in-the-know and prepared for what's coming. Easy to use weather radar at your fingertips! Average temperature in FebruaryPhiladelphia, PA. Average high temperature in February: 41.5°F. The warmest month (with the highest average high temperature) is July (86.4°F). The month with the lowest average high temperature is January (37.4°F). Average low temperature in February: 27.9°F. Philadelphia's source for breaking news and live streaming video online. Covering New Jersey, Delaware and all of the greater Philadelphia area.Current Weather. 12:52 PM. 79° F. RealFeel® 91°. RealFeel Shade™ 78°. Air Quality Poor. Wind SE 2 mph. Wind Gusts 3 mph. Sunny More Details. Rain? Ice? Snow? Track storms, and stay in-the-know and prepared for what's coming. Easy to use weather radar at your fingertips!Buy Historical Weather Data and Averages for. Apart from annual weather averages, the data is also available in hourly interval in CSV format from July 2008 onwards. Following weather fields are provided in CSV format. Temperature (°C/°F) Visibility (km or miles) Pressure (mb or inches) Cloud (%) Humidity (%) Wind Speed (km/h, mph, knots or m/s)A temperature gun and hand sanitizer are seen at the front desk of Inborn Tattoo on 3rd Ave. in Brooklyn, New York on Monday, July 6, 2020. Tattoo parlors were allowed to open today as part of New ...See the latest Pennsylvania Doppler radar weather map including areas of rain, snow and ice. Our interactive map allows you to see the local & national weather Heat index is often referred to as humiture, and is similar to wind chill in its attempt to measure the perceived rather than the actual temperature. For example, an air temperature of 83°F with a relative humidity of 70% would result in an estimated 88°F perceived temperature. This difference in perceived and actual temperature is the result ...Philadelphia is in a humid continental climate zone. This means we experience four distinct seasons, including hot summers and cold winters. Historically, winters have an average temperature of 41.9°F, and summers have an average temperature of 84.5°F (for the years 1961 to 2000). Precipitation is consistent throughout the year, with the For the 15th consecutive year, the official annual average temperature in Philadelphia — 57.3 degrees Fahrenheit — was higher than the city’s 20th-century annual average. In the 21st century, the lone exception to the trend was 2003, when the annual temperature, 54.9, finished in a dead heat with that of the 20th-century average.Past Weather in Philadelphia, Pennsylvania, USA — Yesterday and Last 2 Weeks. Time/General. Weather. Time Zone. DST Changes. Sun & Moon. Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Currently: 70 °F. Clear. Current weather in Philadelphia, PA. Check current conditions in Philadelphia, PA with radar, hourly, and more.Buy Historical Weather Data and Averages for. Apart from annual weather averages, the data is also available in hourly interval in CSV format from July 2008 onwards. Following weather fields are provided in CSV format. Temperature (°C/°F) Visibility (km or miles) Pressure (mb or inches) Cloud (%) Humidity (%) Wind Speed (km/h, mph, knots or m/s)397,762. 0. Deaths. 5,627. 0. New Cases Per Day. New Deaths Per Day. In Philadelphia County, there were 0 newly reported COVID-19 cases and 0 newly reported COVID-19 deaths on Jul 23, 2023. Be prepared with the most accurate 10-day forecast for Philadelphia, PA with highs, lows, chance of precipitation from The Weather Channel and Weather.comFeb 6, 2022 · Philadelphia International Airport Temperature History 2022. The daily range of reported temperatures (gray bars) and 24-hour highs (red ticks) and lows (blue ticks), placed over the daily average high (faint red line) and low (faint blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. Philadelphia International Airport Temperature History 2022. The daily range of reported temperatures (gray bars) and 24-hour highs (red ticks) and lows (blue ticks), placed over the daily average high (faint red line) and low (faint blue line) temperature, with 25th to 75th and 10th to 90th percentile bands.The average temperature in Philadelphia in April for a typical day ranges from a high of 63°F (17°C) to a low of 41°F (5°C). Some would describe it as moderately chilly with a gentle breeze. For comparison, the hottest month in Philadelphia, July, has days with highs of 88°F (31°C) and lows of 68°F (20°C). The coldest month, January has ...Jun 29, 2021 · The average temperature for the city in the summer of 1970 was 75.09 degrees, while last year’s summer average was 78.39. Overall, the average summer temperature in Philadelphia has gotten 3 degrees warmer. Perhaps worse, average summer nights have warmed by 3.8 degrees. The rising heat especially affects economically stressed neighborhoods ... Weather conditions can be closely tied with health-related pains and outdoor activities. See a list of your local health and activity forecasts and recommendations. See a list of all of the Official Weather Advisories, Warnings, and Severe Weather Alerts for Philadelphia, PA.Philadelphia International Airport Temperature History 2022. The daily range of reported temperatures (gray bars) and 24-hour highs (red ticks) and lows (blue ticks), placed over the daily average high (faint red line) and low (faint blue line) temperature, with 25th to 75th and 10th to 90th percentile bands.The Sep rainfall totals ranged from 10-18 inches across much of. central and NE NJ, with 25.98" reported at Paterson. PHL recorded 1.72" of rain on. the 21st, 4.65" on the 22nd, and 3.72" on the 23rd, for a total of 10.09" of rain. The 22nd. and 23rd amounts remain as daily rainfall records.Today’s and tonight’s Philadelphia, PA weather forecast, weather conditions and Doppler radar from The Weather Channel and Weather.comOpen to all Philadelphia residents age 5 and older. To schedule an appointment, call (215) 685-2933. Sep. 6. Event. Walk-in COVID-19 Vaccine Clinic. 8:00 am to 1:00 pm. Heat Index Formula. This calculator uses the following basic formula to calculate the heat index: HI (Heat Index, °F) = C 1 + C 2 T + C 3 RH + C 4 T RH + C 5 T 2 + C 6 RH 2 + C 7 T 2 RH + C 8 T RH 2 + C 9 T 2 RH 2 + CF. Where: HI is the heat index (°F), T is the air temperature in Fahrenheit (°F), RH is the relative humidity (%),Philadelphia International Airport Temperature History 2022. The daily range of reported temperatures (gray bars) and 24-hour highs (red ticks) and lows (blue ticks), placed over the daily average high (faint red line) and low (faint blue line) temperature, with 25th to 75th and 10th to 90th percentile bands.1 day ago · Philadelphia Weather Forecasts. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Philadelphia area. The season sees a gradual uptick in temperature from 49.8°F to 72°F. These months have high levels of relative humidity ranging from 72% to 75% and a decent amount of rainfall. The moderate temperatures partnered with an average of 1.18" to 1.06" of rainfall make the spring both lovely and pleasant.The current global average concentration of CO 2 in the atmosphere is 421 ppm as of May 2022 (0.04%). [3] This is an increase of 50% since the start of the Industrial Revolution, up from 280 ppm during the 10,000 years prior to the mid-18th century. [4] [3] [5] The increase is due to human activity. [6] Hour-by-Hour Forecast for Philadelphia, Pennsylvania, USA. Time Zone. DST Changes. Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Currently: 75 °F. Sunny. (Weather station: Philadelphia International Airport, USA). See more current weather. This indicator examines trends in unusual temperatures from several perspectives: Unusually hot summer temperatures and cold winter temperatures nationwide (Figures 1 and 2). The change in the number of days with unusually hot and cold temperatures at individual weather stations (Figures 3 and 4). Changes in record high and low temperatures ...Check out the Philadelphia, PA WinterCast. Forecasts the expected snowfall amount, snow accumulation, and with snowfall radar. Today, cloudy weather is anticipated. Temperatures will oscillate between a moderately hot 78.8°F at their highest and an agreeable 68°F at their lowest. The predicted top temperature will be a couple of degrees lower than the usual August high of 84°F. Sunrise was at 6:01 am and sunset will be at 8:11 pm; the daylight will last for 14h and ...Climate in Philadelphia, Pennsylvania. Philadelphia, PA enjoys a humid subtropical climate with warm summers and cold winters. The average high temperature throughout the year is around 73°F (23°C) while the average low temperature is around 50°F (10°C). Precipitation is fairly common in Philadelphia with an average of around 3.8 inches per ...September and October will unfurl the beauty of Autumn leaves and foliage if you decide to visit the city during this time. March-May: This is the best time to visit Philadelphia as it is the spring season and the temperatures range from the mid-30s and lower 50s in March and the mid-50s and lower 70s in May. Accommodation prices unusually rise ...The US average is 205 sunny days. Manhattan, New York gets 47.2 inches of rain, on average, per year. Philadelphia, Pennsylvania gets 47.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year. Manhattan averages 25.8 inches of snow per year. Philadelphia averages 13.1 inches of snow per year. The average temperature in Philadelphia in February for a typical day ranges from a high of 42°F (6°C) to a low of 25°F (-4°C). Some would describe it as really cold with a gentle breeze. For comparison, the hottest month in Philadelphia, July, has days with highs of 88°F (31°C) and lows of 68°F (20°C). The coldest month, January has ...
Hour-by-Hour Forecast for Philadelphia, Pennsylvania, USA. Time Zone. DST Changes. Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Currently: 75 °F. Sunny. (Weather station: Philadelphia International Airport, USA). See more current weather. . 141 26 northern boulevard
Want a minute-by-minute forecast? MSN Weather tracks it all, from precipitation predictions to severe weather warnings, air quality updates, and even wildfire alerts.No one covers Philadelphia, New Jersey and Delaware weather like 6abc. WPVI covers forecasts, weather maps, alerts, video, street-level weather and more.Philadelphia's source for breaking news and live streaming video online. Covering New Jersey, Delaware and all of the greater Philadelphia area.The average temperature for the city in the summer of 1970 was 75.09 degrees, while last year’s summer average was 78.39. Overall, the average summer temperature in Philadelphia has gotten 3 degrees warmer. Perhaps worse, average summer nights have warmed by 3.8 degrees. The rising heat especially affects economically stressed neighborhoods ...Hour-by-Hour Forecast for Philadelphia, Pennsylvania, USA. Time Zone. DST Changes. Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Currently: 75 °F. Sunny. (Weather station: Philadelphia International Airport, USA). See more current weather.The average temperature in Philadelphia in February for a typical day ranges from a high of 42°F (6°C) to a low of 25°F (-4°C). Some would describe it as really cold with a gentle breeze. For comparison, the hottest month in Philadelphia, July, has days with highs of 88°F (31°C) and lows of 68°F (20°C). The coldest month, January has ...Looking back at the annual figures on the IQAir website, it can be seen that Philadelphia’s air quality remains fairly stable. In 2017 it was 9.6 µg/m³ followed by 9.3 µg/m³ in 2018. 2019 saw a slightly worse figure of 10.5 µg/m³ before it improved again in 2020 with a 9.5 µg/m³ reading. The average temperature in Philadelphia in May for a typical day ranges from a high of 73°F (23°C) to a low of 53°F (12°C). Some would describe it as mildly cool with a gentle breeze. For comparison, the hottest month in Philadelphia, July, has days with highs of 88°F (31°C) and lows of 68°F (20°C). The coldest month, January has days ...Dec 15, 2015 · The Sep rainfall totals ranged from 10-18 inches across much of. central and NE NJ, with 25.98" reported at Paterson. PHL recorded 1.72" of rain on. the 21st, 4.65" on the 22nd, and 3.72" on the 23rd, for a total of 10.09" of rain. The 22nd. and 23rd amounts remain as daily rainfall records. Hourly Local Weather Forecast, weather conditions, precipitation, dew point, humidity, wind from Weather.com and The Weather Channel The average temperature in Philadelphia in February for a typical day ranges from a high of 42°F (6°C) to a low of 25°F (-4°C). Some would describe it as really cold with a gentle breeze. For comparison, the hottest month in Philadelphia, July, has days with highs of 88°F (31°C) and lows of 68°F (20°C). The coldest month, January has ...Sun & Moon Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Now 60 °F Clear. Feels Like: 60 °F Forecast: 83 / 57 °F Wind: 3 mph ↑ from North Upcoming 5 hours See more hour-by-hour weather Forecast for the next 48 hours 14 day forecast, day-by-day Hour-by-hour forecast for next week Forecast for the next 2 weeksIf necessary, use a portable dehumidifier in the basement or in any room that needs it. Set it for a relative humidity level of 50 to 55%. Improve the building’s airtightness or thermal insulation to counter infiltrations air leakage and in turn ensure easier temperature control indoors. If the humidity gets too high during the winter, you ...Philadelphia is in a humid continental climate zone. This means we experience four distinct seasons, including hot summers and cold winters. Historically, winters have an average temperature of 41.9°F, and summers have an average temperature of 84.5°F (for the years 1961 to 2000). Precipitation is consistent throughout the year, with theThe Wet Bulb Globe Temperature (WBGT) is a measure of heat stress in direct sunlight, which is based on temperature, humidity, wind speed, sun angle, and cloud cover (solar radiation). This differs from the heat index, also called the apparent temperature, which is based only on temperature and humidity and is calculated for shady areas.4. -3. Number of days in December when the temperature in Philadelphia dropped to 0 or 32 or below, or rose to at least 70 degrees Fahrenheit. 0 °F. -18 °C. 32 °F. 0 °C. Year. 70 °F. .