August weather forecastBarnum, MN
August
Weather in August
August, the last month of the summer in Barnum, is another warm month, with an average temperature varying between 55.9°F (13.3°C) and 77.2°F (25.1°C).Temperature
The arrival of August brings an average high-temperature of a still warm 77.2°F (25.1°C), nearly identical to July's 79.3°F (26.3°C). Throughout the month of August, Barnum sees a steady low-temperature average of 55.9°F (13.3°C).Humidity
In Barnum, the average relative humidity in August is 76%.Rainfall
In Barnum, in August, during 12.7 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 114 rainfall days, and 20.08" (510mm) of precipitation is accumulated.Snowfall
In Barnum, snow does not fall in June through September.Daylight
The average length of the day in August is 14h and 8min.On the first day of August, sunrise is at 5:52 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:51 pm CDT.
Sunshine
In Barnum, the average sunshine in August is 9.2h.UV index
In Barnum, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 5 during August leads to these advisories:
Take precautions - Protection against sunburn is recommended. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Barnum, MN
- Average high temperature in August: 77.2°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (17.1°F).
- Average low temperature in August: 55.9°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (3.2°F).
Average pressure in August
Barnum, MN
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in August
Barnum, MN
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in August
Barnum, MN
- Average humidity in August: 76%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (72%).
Average rainfall in August
Barnum, MN
- Average rainfall in August: 1.85"
The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in August
Barnum, MN
- Average rainfall days in August: 12.7 days
The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is January (2.1 days).
Average snowfall in August
Barnum, MN
- Average snowfall in August: 0"
The month with the highest snowfall is December (6.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Barnum, MN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (18.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Barnum, MN
- Average daylight in August: 14h and 6min
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 42min).
- Average sunshine in August: 9h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in August
Barnum, MN
- Average sunshine days in August: 16.7 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in August
Barnum, 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
Barnum, MN
- Average cloud cover in August: 37
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in August
Barnum, MN
- Average visibility in August: 5mi
The months with the highest visibility are May, June, July and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).





