The weather in August in Philadelphia

It's warm in August in Philadelphia with an average temperature of 26°C. Temperatures this month range from a low of 25°C to a high of 27°C. At night, you can expect temperatures between 5°C and 10°C.

Looking for great weather? August is a good time to be in Philadelphia. The temperatures are nice, and there’s little chance of rain this month.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Philadelphia, Namibia. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 30°C in 2015, Philadelphia reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 14°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of -6°C to a highest value of 16°C.

Rainfall amount

According to weather history, there is only 0,2 mm of precipitation in August. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in August for Philadelphia

Click on any day in August to get detailed info about the usual weather on that day in Philadelphia. Check out the historical temperatures and precipitation over the past 10 years on this day.

August weather comparison

  Philadelphia New York
Average temperature 26°C 30°C
Max. temperature 27°C 31°C
Min. temperature 5°C -5°C
Total precipitation 0,2 mm 79 mm
Rainy days 1 day 13 days

Start of August

The month of August starts in Philadelphia with warm temps, averaging around 26°C during the day and nights around 7°C.

Mid August

By mid-August, daytime temps stay steady at around 26°C, with nights around 9°C. No precipitation expected during this period, so you can enjoy plenty of sunshine.

End of August

By the end of August, the average daytime temperature in Philadelphia is around 27°C, while nighttime temps are about 8°C. No precipitation expected at the end of the month; it’ll be mostly sunny.

UV index

The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Philadelphia for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in August in Philadelphia, Namibia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in August in Philadelphia

Temperature in August in Philadelphia over the years

Precipitation charts

These charts show the average amount of precipitation in August in Philadelphia, Namibia. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in August in Philadelphia

Total precipitation in August in Philadelphia over the years

Daily UV index in August in Philadelphia

This chart shows the average daily UV index in August in Philadelphia, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in August in Philadelphia

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Average weather in Philadelphia by month

Click on a month below to see detailed weather info for Philadelphia. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.