August weather forecastIsland Lake, WI
August
Weather in August
August, the last month of the summer in Island Lake, is also a moderately hot month, with an average temperature varying between 76.6°F (24.8°C) and 56.7°F (13.7°C).Temperature
The commencement of August notes an average high-temperature of a still warm 76.6°F (24.8°C), exhibiting little difference from the previous month. During August, the average low-temperature is a moderate 56.7°F (13.7°C).Humidity
In Island Lake, the average relative humidity in August is 79%.Rainfall
In Island Lake, during August, the rain falls for 15.2 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Island Lake, during the entire year, the rain falls for 137.4 days and collects up to 26.26" (667mm) of precipitation.Snowfall
June through September are months without snowfall in Island Lake.Daylight
In Island Lake, the average length of the day in August is 14h and 2min.On the first day of August, sunrise is at 5:50 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:44 pm CDT.
Sunshine
In Island Lake, the average sunshine in August is 9.4h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In August, the maximum UV index of 5 suggests these recommendations:
Heed the precautions - It is counselled to guard against solar damage. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Island Lake, WI
- Average high temperature in August: 76.6°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 (18.7°F).
- Average low temperature in August: 56.7°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).
Average pressure in August
Island Lake, WI
- Average pressure in August: 29.95"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Island Lake, WI
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in August
Island Lake, WI
- Average humidity in August: 79%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (76%).
Average rainfall in August
Island Lake, WI
- Average rainfall in August: 2.48"
The wettest month (with the highest rainfall) is June (4.06").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in August
Island Lake, WI
- Average rainfall days in August: 15.2 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (3.7 days).
Average snowfall in August
Island Lake, WI
- Average snowfall in August: 0"
The month with the highest snowfall is February (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Island Lake, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Island Lake, 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 24min
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: 2h and 48min).
Average sunshine days in August
Island Lake, WI
- Average sunshine days in August: 13 days
The month with the most sunshine days is October (15.6 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in August
Island Lake, 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, November and December (UV index 1).
Average cloud cover in August
Island Lake, WI
- Average cloud cover in August: 36
The months with the most cloud cover are January and February (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in August
Island Lake, 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).
