August weather forecastGranville Summit, PA
August
Weather in August
The last month of the summer, August, is another warm month in Granville Summit, Pennsylvania, with an average temperature ranging between max 77.2°F (25.1°C) and min 55.9°F (13.3°C).Temperature
August's average high-temperature is a still moderately hot 77.2°F (25.1°C), maintaining a close comparison with July's 79.9°F (26.6°C). Granville Summit records an average nighttime low of 55.9°F (13.3°C) in August.Humidity
In Granville Summit, the average relative humidity in August is 80%.Rainfall
In Granville Summit, in August, during 15.6 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Granville Summit, Pennsylvania, during the entire year, the rain falls for 171.9 days and collects up to 28.54" (725mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August is 13h and 49min.On the first day of August, sunrise is at 6:02 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:41 pm EDT.
Sunshine
In August, the average sunshine is 9.6h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In August, a regular UV index of 5 translates into these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Granville Summit, PA
- Average high temperature in August: 77.2°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in August: 55.9°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in August
Granville Summit, PA
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Granville Summit, PA
- Average wind speed in August: 5.3mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in August
Granville Summit, PA
- Average humidity in August: 80%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (78%).
Average rainfall in August
Granville Summit, PA
- Average rainfall in August: 2.48"
The wettest months (with the highest rainfall) are April and July (2.91").
The driest months (with the least rainfall) are January and November (1.77").
Average rainfall days in August
Granville Summit, PA
- Average rainfall days in August: 15.6 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in August
Granville Summit, PA
- Average snowfall in August: 0"
The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Granville Summit, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Granville Summit, PA
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 9h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).
Average sunshine days in August
Granville Summit, PA
- Average sunshine days in August: 12.9 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.7 days).
Average UV index in August
Granville Summit, PA
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Granville Summit, PA
- Average cloud cover in August: 40
The months with the most cloud cover are January, February and December (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in August
Granville Summit, PA
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
