Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Greenville's August reports an average high-temperature of a still moderately hot 77.4°F (25.2°C), exhibiting a minor difference from July. In the month of August, Greenville records a consistent average low-temperature of 59.5°F (15.3°C).Humidity
In Greenville, the average relative humidity in August is 78%.Rainfall
In Greenville, in August, during 12.8 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Greenville, during the entire year, the rain falls for 131.1 days and collects up to 24.45" (621mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Greenville, the average length of the day in August is 13h and 58min.On the first day of the month, sunrise is at 5:42 am and sunset at 8:18 pm. On the last day of August, sunrise is at 6:16 am and sunset at 7:31 pm CDT.
Sunshine
In August, the average sunshine is 9.8h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 during August translates into the following guidance:
Be vigilant - A duty to shield skin and eyes from injury exists. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Greenville in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
How many hours of daylight does Greenville have in August?
What time are sunrise and sunset in August?
How long on average sun shines in August?
When is the highest UV index?
What is the UV index reading in August?
Average temperature in August
Greenville, WI
- Average high temperature in August: 77.4°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (21.9°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in August
Greenville, WI
- Average pressure in August: 29.96"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Greenville, WI
- Average wind speed in August: 7.1mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in August
Greenville, WI
- Average humidity in August: 78%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in August
Greenville, WI
- Average rainfall in August: 1.85"
The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in August
Greenville, WI
- Average rainfall days in August: 12.8 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in August
Greenville, WI
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Greenville, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (14.2 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, WI
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in August
Greenville, WI
- Average sunshine days in August: 14.8 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in August
Greenville, WI
- 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, November and December (UV index 1).
Average cloud cover in August
Greenville, WI
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in August
Greenville, WI
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Greenville, Wisconsin, USA
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