August weather forecastMonticello, MN
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Monticello, Minnesota, with an average temperature fluctuating between 59.4°F (15.2°C) and 78.3°F (25.7°C).Temperature
As Monticello transitions from July to August, the average high-temperatures adjust to a still warm 78.3°F (25.7°C), nearly the same as the previous 80.1°F (26.7°C). Throughout August, Monticello registers a consistent average low-temperature of 59.4°F (15.2°C).Humidity
In August, the average relative humidity is 76%.Rainfall
In Monticello, in August, it is raining for 14.3 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, there are 119.9 rainfall days, and 20.51" (521mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Monticello.Daylight
In August, the average length of the day is 14h and 2min.On the first day of August in Monticello, sunrise is at 6:00 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:53 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 reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In August, the maximum UV index of 5 transforms into these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Monticello, MN
- Average high temperature in August: 78.3°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (19.2°F).
- Average low temperature in August: 59.4°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (6.6°F).
Average pressure in August
Monticello, MN
- Average pressure in August: 29.94"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in August
Monticello, MN
- Average wind speed in August: 6.8mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in August
Monticello, 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 (70%).
Average rainfall in August
Monticello, MN
- Average rainfall in August: 2.2"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in August
Monticello, MN
- Average rainfall days in August: 14.3 days
The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in August
Monticello, MN
- Average snowfall in August: 0"
The month with the highest snowfall is December (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Monticello, MN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Monticello, MN
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in August: 9h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in August
Monticello, MN
- Average sunshine days in August: 14.4 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in August
Monticello, MN
- Average UV index in August: 5
The months with the highest UV index are June and 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
Monticello, MN
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in August
Monticello, 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).
