August weather forecastGrasston, MN
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Grasston, Minnesota, with an average temperature fluctuating between 77.4°F (25.2°C) and 57.7°F (14.3°C).Temperature
The shift to August signals an average high-temperature of a still moderately hot 77.4°F (25.2°C), subtly varied from July's 79.2°F (26.2°C). Throughout the month of August, the nighttime temperature dips to an average of 57.7°F (14.3°C).Humidity
The average relative humidity in August is 77%.Rainfall
In Grasston, in August, it is raining for 13.8 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, there are 116.6 rainfall days, and 20.71" (526mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Grasston, the average length of the day in August is 14h and 4min.On the first day of August, sunrise is at 5:56 am and sunset at 8:41 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 7:51 pm CDT.
Sunshine
The average sunshine in August is 9.5h.UV index
In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: During August, 5 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Preventing sun damage is advised. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Grasston, MN
- Average high temperature in August: 77.4°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in August: 57.7°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (5.2°F).
Average pressure in August
Grasston, MN
- Average pressure in August: 29.93"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
Grasston, MN
- Average wind speed in August: 6.8mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in August
Grasston, MN
- Average humidity in August: 77%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in August
Grasston, MN
- Average rainfall in August: 2.32"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in August
Grasston, MN
- Average rainfall days in August: 13.8 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in August
Grasston, MN
- Average snowfall in August: 0"
The month with the highest snowfall is December (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Grasston, MN
- Average snowfall days in August: 0 days
The months with the highest number of snowfall days are January and February (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Grasston, MN
- 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 30min
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 54min).
Average sunshine days in August
Grasston, MN
- Average sunshine days in August: 14.8 days
The months with the most sunshine days are January and November (18.1 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in August
Grasston, 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
Grasston, MN
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in August
Grasston, 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).
