August weather forecastButler, WI
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Butler, Wisconsin, with an average temperature varying between 77°F (25°C) and 63.1°F (17.3°C).Temperature
Butler's transition from July to August introduces an average high-temperature of a still warm 77°F (25°C), marking an insignificant variation from the 77.7°F (25.4°C). During August nights, Butler records an average temperature of 63.1°F (17.3°C).Humidity
In Butler, Wisconsin, the average relative humidity in August is 77%.Rainfall
In August, the rain falls for 15.1 days. Throughout August, 2.64" (67mm) of precipitation is accumulated. In Butler, Wisconsin, during the entire year, the rain falls for 143.3 days and collects up to 28.11" (714mm) of precipitation.Snowfall
In Butler, snow does not fall in May through September.Daylight
In August, the average length of the day is 13h and 53min.On the first day of August, sunrise is at 5:43 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:28 pm CDT.
Sunshine
July and August, with an average of 10.4h of sunshine, are months with the most sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 5 during August translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Butler, WI
- Average high temperature in August: 77°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in August: 63.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in August
Butler, WI
- Average pressure in August: 29.97"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 (29.92"Hg).
Average wind speed in August
Butler, WI
- Average wind speed in August: 7.1mph
The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in August
Butler, WI
- Average humidity in August: 77%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (75%).
Average rainfall in August
Butler, WI
- Average rainfall in August: 2.64"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in August
Butler, WI
- Average rainfall days in August: 15.1 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in August
Butler, WI
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.08").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Butler, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Butler, WI
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 10h and 24min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in August
Butler, WI
- Average sunshine days in August: 12.6 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is April (10.9 days).
Average UV index in August
Butler, WI
- 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
Butler, WI
- Average cloud cover in August: 28
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in August
Butler, WI
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





