August weather forecastFoster Junction, WI
August
Weather in August
August, the last month of the summer in Foster Junction, is also a moderately hot month, with an average temperature varying between 56.8°F (13.8°C) and 74.7°F (23.7°C).Temperature
During August, Foster Junction observes a subtle ascent to a still moderately hot 74.7°F (23.7°C) from July's 76.3°F (24.6°C) in the average high-temperature. In August, Foster Junction's temperature tends to fall to an average low of 56.8°F (13.8°C) during the night.Humidity
In Foster Junction, the average relative humidity in August is 77%.Rainfall
In Foster Junction, during August, the rain falls for 13.7 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 120.3 rainfall days, and 21.65" (550mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 14h and 7min.On the first day of the month, sunrise is at 5:45 am and sunset at 8:32 pm. On the last day of August, sunrise is at 6:22 am and sunset at 7:42 pm CDT.
Sunshine
In Foster Junction, the average sunshine in August is 9.8h.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In August, the maximum UV index of 5 suggests these recommendations:
Ensure safety - Sun damage prevention is strongly urged. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Foster Junction, WI
- Average high temperature in August: 74.7°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (19°F).
- Average low temperature in August: 56.8°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in August
Foster Junction, WI
- Average pressure in August: 29.94"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Foster Junction, WI
- Average wind speed in August: 7mph
The windiest month (with the highest average wind speed) is November (9.5mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in August
Foster Junction, WI
- Average humidity in August: 77%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (72%).
Average rainfall in August
Foster Junction, WI
- Average rainfall in August: 1.73"
The wettest month (with the highest rainfall) is May (2.48").
The driest months (with the least rainfall) are January and February (1.22").
Average rainfall days in August
Foster Junction, WI
- Average rainfall days in August: 13.7 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (2.5 days).
Average snowfall in August
Foster Junction, WI
- Average snowfall in August: 0"
The month with the highest snowfall is December (10.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Foster Junction, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (24.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Foster Junction, 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 48min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in August
Foster Junction, WI
- Average sunshine days in August: 14.1 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in August
Foster Junction, 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, November and December (UV index 1).
Average cloud cover in August
Foster Junction, WI
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in August
Foster Junction, WI
- Average visibility in August: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (4mi).





