August weather forecastWinnebago, WI
August
Weather in August
August, the last month of the summer in Winnebago, is also a moderately hot month, with an average temperature fluctuating between 75.9°F (24.4°C) and 59.9°F (15.5°C).Temperature
Winnebago experiences an average high-temperature of a still warm 75.9°F (24.4°C) with the onset of August, subtly varied from July's 76.8°F (24.9°C). In Winnebago, an average temperature of 59.9°F (15.5°C) is noted during August nights.Humidity
In August, the average relative humidity is 80%.Rainfall
In Winnebago, in August, it is raining for 14.1 days, with typically 2.2" (56mm) of accumulated precipitation. In Winnebago, Wisconsin, during the entire year, the rain falls for 133.9 days and collects up to 26.73" (679mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 58min.On the first day of the month, sunrise is at 5:42 am and sunset at 8:17 pm. On the last day of August, sunrise is at 6:17 am and sunset at 7:31 pm CDT.
Sunshine
In Winnebago, the average sunshine in August is 9.7h.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index in Winnebago. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In August, a daily UV index of 5 turns into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Winnebago, WI
- Average high temperature in August: 75.9°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in August: 59.9°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 (10.9°F).
Average pressure in August
Winnebago, 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
Winnebago, WI
- Average wind speed in August: 7.6mph
The windiest month (with the highest average wind speed) is November (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in August
Winnebago, WI
- Average humidity in August: 80%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in August
Winnebago, WI
- Average rainfall in August: 2.2"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in August
Winnebago, WI
- Average rainfall days in August: 14.1 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is February (4 days).
Average snowfall in August
Winnebago, WI
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Winnebago, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Winnebago, WI
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 9h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).
Average sunshine days in August
Winnebago, WI
- Average sunshine days in August: 14.2 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (11.3 days).
Average UV index in August
Winnebago, WI
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in August
Winnebago, WI
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in August
Winnebago, 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).





