August weather forecastMarion, WI
August
Weather in August
August, the last month of the summer in Marion, is another warm month, with an average temperature varying between 58.1°F (14.5°C) and 77.5°F (25.3°C).Temperature
Marion's weather, upon August's arrival, documents an average high-temperature of a still moderately hot 77.5°F (25.3°C), nearly identical to the prior month. The average low-temperature of 58.1°F (14.5°C) is witnessed during August.Humidity
The average relative humidity in August is 79%.Rainfall
In Marion, in August, it is raining for 12.3 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, there are 122.7 rainfall days, and 19.72" (501mm) of precipitation is accumulated.Snowfall
In Marion, snow does not fall in June through September.Daylight
In August, the average length of the day is 14h and 0min.On the first day of August in Marion, sunrise is at 5:42 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:33 pm CDT.
Sunshine
In Marion, the average sunshine in August is 9.8h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 5 during August translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Marion, WI
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (21.7°F).
- Average low temperature in August: 58.1°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in August
Marion, WI
- Average pressure in August: 29.96"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Marion, WI
- Average wind speed in August: 6.9mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in August
Marion, WI
- Average humidity in August: 79%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in August
Marion, WI
- Average rainfall in August: 1.61"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in August
Marion, WI
- Average rainfall days in August: 12.3 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in August
Marion, WI
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Marion, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Marion, WI
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 9h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in August
Marion, WI
- Average sunshine days in August: 14.8 days
The month with the most sunshine days is January (18.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in August
Marion, WI
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in August
Marion, WI
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in August
Marion, WI
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February and September (5mi).
