August weather forecastCottage Grove, MN
August
Weather in August
August continues the trend of warm weather in Cottage Grove but begins a subtle transition towards fall near its end. The landscape, while still wrapped in summer's heat, starts to display the first hints of autumnal hues. This period is a unique mix of continued summer activities, coupled with the excitement of upcoming fall festivals. Though temperatures remain high, increased rainfall signals the imminent change of season. Thus, August stands as a harbinger of the approaching fall.Temperature
The beginning of August reveals an average high-temperature of a still moderately hot 78.4°F (25.8°C), showing minimal deviation from the previous month. Cottage Grove reports an average low-temperature of 60.6°F (15.9°C) during the nights of August.Humidity
In Cottage Grove, Minnesota, the average relative humidity in August is 76%.Rainfall
In Cottage Grove, Minnesota, during August, the rain falls for 14.7 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Cottage Grove, during the entire year, the rain falls for 128.1 days and collects up to 22.83" (580mm) of precipitation.Snowfall
June through September are months without snowfall in Cottage Grove.Daylight
In Cottage Grove, the average length of the day in August is 14h and 1min.On the first day of the month, sunrise is at 5:58 am and sunset at 8:37 pm. On the last day of August, sunrise is at 6:33 am and sunset at 7:49 pm CDT.
Sunshine
The average sunshine in August is 9.7h.UV index
The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 5 in August interprets into the following advice:
Exercise prevention - Warding off sunburn is urged. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. 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
Cottage Grove, MN
- Average high temperature in August: 78.4°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in August: 60.6°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure in August
Cottage Grove, MN
- Average pressure in August: 29.94"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Cottage Grove, MN
- 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 August (6.6mph).
Average humidity in August
Cottage Grove, MN
- Average humidity in August: 76%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (72%).
Average rainfall in August
Cottage Grove, MN
- Average rainfall in August: 2.4"
The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in August
Cottage Grove, MN
- Average rainfall days in August: 14.7 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (3 days).
Average snowfall in August
Cottage Grove, MN
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Cottage Grove, MN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Cottage Grove, MN
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
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 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in August
Cottage Grove, MN
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in August
Cottage Grove, MN
- 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
Cottage Grove, MN
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in August
Cottage Grove, MN
- Average visibility in August: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
