August weather forecastKnapp, WI
August
Weather in August
August, the last month of the summer in Knapp, is also a moderately hot month, with an average temperature ranging between min 57.9°F (14.4°C) and max 77°F (25°C).Temperature
Entering August, the average high-temperature is recorded at a still moderately hot 77°F (25°C), exhibiting a minimal shift from July's 78.8°F (26°C). During August, Knapp's temperature averages to a moderate 57.9°F (14.4°C) at night.Humidity
The average relative humidity in August is 80%.Rainfall
In Knapp, during August, the rain falls for 16.2 days and regularly aggregates up to 2.64" (67mm) of precipitation. Throughout the year, in Knapp, there are 139.8 rainfall days, and 27.52" (699mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day in Knapp is 14h and 1min.On the first day of the month, sunrise is at 5:54 am and sunset at 8:34 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:46 pm CDT.
Sunshine
In August, the average sunshine in Knapp is 9.5h.UV index
In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In August, a daily UV index of 5 turns into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Knapp, WI
- Average high temperature in August: 77°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (19°F).
- Average low temperature in August: 57.9°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (5.9°F).
Average pressure in August
Knapp, WI
- Average pressure in August: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Knapp, WI
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in August
Knapp, WI
- Average humidity in August: 80%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is April (76%).
Average rainfall in August
Knapp, WI
- Average rainfall in August: 2.64"
The wettest month (with the highest rainfall) is June (4.65").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in August
Knapp, WI
- Average rainfall days in August: 16.2 days
The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is January (3 days).
Average snowfall in August
Knapp, WI
- Average snowfall in August: 0"
The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Knapp, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (16 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Knapp, WI
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in August: 9h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 12min).
Average sunshine days in August
Knapp, WI
- Average sunshine days in August: 12.5 days
The month with the most sunshine days is November (15.9 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in August
Knapp, 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
Knapp, WI
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in August
Knapp, WI
- Average visibility in August: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January and February (4mi).





