August weather forecastGreenville, PA
August
Weather in August
The last month of the summer, August, is another warm month in Greenville, Pennsylvania, with an average temperature varying between 58.3°F (14.6°C) and 79.3°F (26.3°C).Temperature
The average high-temperature is a still warm 79.3°F (26.3°C) in August, hardly different from the 80.8°F (27.1°C) recorded in July. Nighttime temperature dips to a mean of 58.3°F (14.6°C) during August.Humidity
In Greenville, the average relative humidity in August is 80%.Rainfall
In Greenville, in August, during 16.3 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, there are 167.1 rainfall days, and 24.25" (616mm) of precipitation is accumulated.Snowfall
In Greenville, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 47min.On the first day of the month, sunrise is at 6:17 am and sunset at 8:38 pm. On the last day of August, sunrise is at 6:47 am and sunset at 7:55 pm EDT.
Sunshine
The months with the most sunshine are July and August, with an average of 9.9h of sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 5 in August translates into the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Greenville, PA
- Average high temperature in August: 79.3°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in August: 58.3°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in August
Greenville, PA
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Greenville, PA
- Average wind speed in August: 5.2mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in August
Greenville, PA
- Average humidity in August: 80%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are May, June and July (79%).
Average rainfall in August
Greenville, PA
- Average rainfall in August: 1.81"
The wettest month (with the highest rainfall) is October (2.52").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in August
Greenville, PA
- Average rainfall days in August: 16.3 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (8 days).
Average snowfall in August
Greenville, PA
- Average snowfall in August: 0"
The month with the highest snowfall is January (6.38").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Greenville, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (19.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Greenville, PA
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 9h and 54min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in August
Greenville, PA
- Average sunshine days in August: 12.6 days
The month with the most sunshine days is August (12.6 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in August
Greenville, PA
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Greenville, PA
- Average cloud cover in August: 36
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in August
Greenville, PA
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
