August weather forecastPhiladelphia, NY
August
Weather in August
August, the last month of the summer in Philadelphia, is also a moderately hot month, with temperature in the range of an average low of 58.6°F (14.8°C) and an average high of 75.6°F (24.2°C).Temperature
August's average high-temperature stands at a still warm 75.6°F (24.2°C), showing little deviation from July's 76.6°F (24.8°C). In August, Philadelphia's temperature tends to fall to an average low of 58.6°F (14.8°C) during the night.Humidity
In August, the average relative humidity is 80%.Rainfall
In Philadelphia, during August, the rain falls for 16.6 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Philadelphia, during the entire year, the rain falls for 166.4 days and collects up to 30.55" (776mm) of precipitation.Snowfall
In Philadelphia, New York, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 58min.On the first day of the month, sunrise is at 5:51 am and sunset at 8:26 pm. On the last day of August, in Philadelphia, sunrise is at 6:25 am and sunset at 7:40 pm EDT.
Sunshine
The months with the most sunshine are July and August, with an average of 10.3h of sunshine.UV index
In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 5 in August translates into the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Philadelphia, NY
- Average high temperature in August: 75.6°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in August: 58.6°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in August
Philadelphia, NY
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Philadelphia, NY
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in August
Philadelphia, NY
- Average humidity in August: 80%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in August
Philadelphia, NY
- Average rainfall in August: 2.48"
The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in August
Philadelphia, NY
- Average rainfall days in August: 16.6 days
The month with the highest number of rainy days is October (17.4 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in August
Philadelphia, NY
- Average snowfall in August: 0"
The month with the highest snowfall is December (9.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Philadelphia, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Philadelphia, NY
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 10h and 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 54min).
Average sunshine days in August
Philadelphia, NY
- Average sunshine days in August: 11.7 days
The month with the most sunshine days is September (14.8 days).
The month with the least sunshine days is February (6.9 days).
Average UV index in August
Philadelphia, NY
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Philadelphia, NY
- Average cloud cover in August: 31
The months with the most cloud cover are January and February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in August
Philadelphia, NY
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).





