August weather forecastRiverton, MN
August
Weather in August
The last month of the summer, August, is another warm month in Riverton, Minnesota, with an average temperature fluctuating between 56.3°F (13.5°C) and 78.4°F (25.8°C).Temperature
Riverton's weather in August displays an average high-temperature of a still moderately hot 78.4°F (25.8°C), showing minor disparity from July's 80.8°F (27.1°C). A significant temperature decrease to an average a refreshing 56.3°F (13.5°C) characterizes Riverton's nighttime temperatures during August.Humidity
In Riverton, the average relative humidity in August is 73%.Rainfall
In August, in Riverton, the rain falls for 12.3 days. Throughout August, 1.85" (47mm) of precipitation is accumulated. In Riverton, during the entire year, the rain falls for 108 days and collects up to 19.88" (505mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Riverton, the average length of the day in August is 14h and 7min.On the first day of August, sunrise is at 5:58 am and sunset at 8:46 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:56 pm CDT.
Sunshine
In August, the average sunshine is 9.4h.UV index
The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In August, the maximum UV index of 5 transforms into these recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Riverton, MN
- Average high temperature in August: 78.4°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (17.6°F).
- Average low temperature in August: 56.3°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (3.6°F).
Average pressure in August
Riverton, MN
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in August
Riverton, MN
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in August
Riverton, MN
- Average humidity in August: 73%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (70%).
Average rainfall in August
Riverton, MN
- Average rainfall in August: 1.85"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in August
Riverton, MN
- Average rainfall days in August: 12.3 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.2 days).
Average snowfall in August
Riverton, MN
- Average snowfall in August: 0"
The month with the highest snowfall is December (8.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Riverton, MN
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Riverton, 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 24min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in August
Riverton, MN
- Average sunshine days in August: 17 days
The month with the most sunshine days is September (17.6 days).
The month with the least sunshine days is February (10.1 days).
Average UV index in August
Riverton, 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
Riverton, MN
- Average cloud cover in August: 36
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in August
Riverton, MN
- Average visibility in August: 5mi
The months with the highest visibility are May, June and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
