August weather forecastSwan River, MN
August
Weather in August
August, the last month of the summer in Swan River, is another warm month, with an average temperature ranging between min 55°F (12.8°C) and max 77.2°F (25.1°C).Temperature
The initiation of August sees an average high-temperature of a still moderately hot 77.2°F (25.1°C), showing minor variations from the previous month. Swan River receives a consistent average low-temperature of 55°F (12.8°C) in August, a substantial dip from the day's heat.Humidity
The average relative humidity in August is 74%.Rainfall
In August, the rain falls for 12.6 days. Throughout August, 1.89" (48mm) of precipitation is accumulated. Throughout the year, there are 113.8 rainfall days, and 18.94" (481mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Swan River, the average length of the day in August is 14h and 10min.On the first day of August, sunrise is at 5:52 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:53 pm CDT.
Sunshine
In Swan River, the average sunshine in August is 9.4h.UV index
In August, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 5 during August morphs into the following directions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Swan River, MN
- Average high temperature in August: 77.2°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (15.8°F).
- Average low temperature in August: 55°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (1.4°F).
Average pressure in August
Swan River, MN
- Average pressure in August: 29.92"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Swan River, MN
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in August
Swan River, MN
- Average humidity in August: 74%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (70%).
Average rainfall in August
Swan River, MN
- Average rainfall in August: 1.89"
The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January and February (0.75").
Average rainfall days in August
Swan River, MN
- Average rainfall days in August: 12.6 days
The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in August
Swan River, MN
- Average snowfall in August: 0"
The month with the highest snowfall is December (7.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Swan River, MN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (21.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Swan River, MN
- Average daylight in August: 14h and 12min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in August: 9h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in August
Swan River, MN
- Average sunshine days in August: 16.5 days
The months with the most sunshine days are August and September (16.5 days).
The month with the least sunshine days is February (10.1 days).
Average UV index in August
Swan River, 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
Swan River, MN
- Average cloud cover in August: 37
The month with the most cloud cover is January (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in August
Swan River, MN
- Average visibility in August: 5mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February, March and December (4mi).





