August weather forecastWinter, WI
August
Weather in August
The last month of the summer, August, is another warm month in Winter, Wisconsin, with an average temperature varying between 55.9°F (13.3°C) and 76.6°F (24.8°C).Temperature
At the start of August, Winter's average high-temperature reaches a still warm 76.6°F (24.8°C), subtly different from the preceding month. Throughout August, Winter encounters an average temperature drop to a refreshing 55.9°F (13.3°C).Humidity
The average relative humidity in August in Winter is 77%.Rainfall
In Winter, in August, it is raining for 14.3 days, with typically 2.17" (55mm) of accumulated precipitation. In Winter, during the entire year, the rain falls for 109.7 days and collects up to 20.04" (509mm) of precipitation.Snowfall
In Winter, snow does not fall in June through September.Daylight
In Winter, the average length of the day in August is 14h and 5min.On the first day of the month, sunrise is at 5:48 am and sunset at 8:32 pm. On the last day of August, sunrise is at 6:24 am and sunset at 7:43 pm CDT.
Sunshine
In August, the average sunshine is 9.3h.UV index
The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: During August, 5 as the daily maximum UV index converts into the following advice:
Exercise prevention - Precautions against solar damage are endorsed. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Winter, WI
- Average high temperature in August: 76.6°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (17.6°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 (5.2°F).
Average pressure in August
Winter, WI
- Average pressure in August: 29.94"Hg
The month with the highest atmospheric pressure is February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Winter, WI
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in August
Winter, WI
- Average humidity in August: 77%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (73%).
Average rainfall in August
Winter, WI
- Average rainfall in August: 2.17"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in August
Winter, WI
- Average rainfall days in August: 14.3 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in August
Winter, WI
- Average snowfall in August: 0"
The month with the highest snowfall is December (6.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Winter, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Winter, WI
- Average daylight in August: 14h and 6min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in August: 9h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in August
Winter, WI
- Average sunshine days in August: 13.4 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in August
Winter, 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, February, November and December (UV index 1).
Average cloud cover in August
Winter, WI
- Average cloud cover in August: 39
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in August
Winter, WI
- Average visibility in August: 5mi
The months with the highest visibility are May, June and October (6mi).
The months with the lowest visibility are January, February and December (4mi).





