August weather forecastTrevor, WI
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Trevor, Wisconsin, with an average temperature fluctuating between 61.5°F (16.4°C) and 77.5°F (25.3°C).Temperature
Trevor's average high-temperature in August sits at a still moderately hot 77.5°F (25.3°C), showing little difference from the previous month. Trevor, in August, experiences an average temperature of 61.5°F (16.4°C) at night.Humidity
The average relative humidity in August is 82%.Rainfall
In August, the rain falls for 16.3 days. Throughout August, 2.99" (76mm) of precipitation is accumulated. In Trevor, during the entire year, the rain falls for 139.6 days and collects up to 26.18" (665mm) of precipitation.Snowfall
In Trevor, snow does not fall in June through September.Daylight
In Trevor, the average length of the day in August is 13h and 51min.On the first day of the month, sunrise is at 5:45 am and sunset at 8:12 pm. On the last day of August, in Trevor, sunrise is at 6:17 am and sunset at 7:27 pm CDT.
Sunshine
July and August, with an average of 9.9h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 5 in August translates into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. When the Sun is at its strongest around midday, find shade and limit exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Trevor, WI
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in August: 61.5°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in August
Trevor, WI
- Average pressure in August: 29.97"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Trevor, WI
- Average wind speed in August: 6.4mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in August
Trevor, WI
- Average humidity in August: 82%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in August
Trevor, WI
- Average rainfall in August: 2.99"
The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is December (1.06").
Average rainfall days in August
Trevor, WI
- Average rainfall days in August: 16.3 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in August
Trevor, WI
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Trevor, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Trevor, WI
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 9h and 54min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).
Average sunshine days in August
Trevor, WI
- Average sunshine days in August: 12.2 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in August
Trevor, 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 and December (UV index 1).
Average cloud cover in August
Trevor, WI
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July, August and September (Cloud cover 32).
Average visibility in August
Trevor, WI
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





