August weather forecastGalesville, WI
August
Weather in August
The last month of the summer, August, is another warm month in Galesville, Wisconsin, with an average temperature fluctuating between 58.3°F (14.6°C) and 77.7°F (25.4°C).Temperature
Galesville signifies an average high-temperature of a still warm 77.7°F (25.4°C) in August, closely mirroring the 79.2°F (26.2°C) of July. An average nighttime temperature of 58.3°F (14.6°C) is recorded during August.Humidity
The average relative humidity in August in Galesville is 81%.Rainfall
In Galesville, in August, it is raining for 13.5 days, with typically 2.56" (65mm) of accumulated precipitation. Throughout the year, in Galesville, there are 137 rainfall days, and 27.01" (686mm) of precipitation is accumulated.Snowfall
In Galesville, snow does not fall in June through September.Daylight
In Galesville, Wisconsin, the average length of the day in August is 13h and 58min.On the first day of the month, sunrise is at 5:54 am and sunset at 8:29 pm. On the last day of August, sunrise is at 6:28 am and sunset at 7:42 pm CDT.
Sunshine
In August, the average sunshine in Galesville, Wisconsin, is 9.6h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Galesville. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 5 in August translates into this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Galesville, WI
- Average high temperature in August: 77.7°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 (21.4°F).
- Average low temperature in August: 58.3°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in August
Galesville, WI
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Galesville, WI
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in August
Galesville, WI
- Average humidity in August: 81%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (76%).
Average rainfall in August
Galesville, WI
- Average rainfall in August: 2.56"
The wettest month (with the highest rainfall) is June (4.57").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in August
Galesville, WI
- Average rainfall days in August: 13.5 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in August
Galesville, WI
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Galesville, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Galesville, WI
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 9h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in August
Galesville, WI
- Average sunshine days in August: 14.3 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is June (9.4 days).
Average UV index in August
Galesville, 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, February, November and December (UV index 1).
Average cloud cover in August
Galesville, WI
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Galesville, WI
- Average visibility in August: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).





