August weather forecastColumbus, WI
August
Weather in August
August, the last month of the summer in Columbus, is another warm month, with temperature in the range of an average low of 59.5°F (15.3°C) and an average high of 77.2°F (25.1°C).Temperature
August welcomes an average high-temperature of a still warm 77.2°F (25.1°C), not much different from the preceding month. August nights observe an average temperature dip to a moderate 59.5°F (15.3°C).Humidity
In August, the average relative humidity in Columbus, Wisconsin, is 82%.Rainfall
In Columbus, in August, it is raining for 12.8 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, in Columbus, Wisconsin, there are 123.1 rainfall days, and 17.01" (432mm) of precipitation is accumulated.Snowfall
In Columbus, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 55min.On the first day of the month, sunrise is at 5:46 am and sunset at 8:17 pm. On the last day of August, sunrise is at 6:19 am and sunset at 7:32 pm CDT.
Sunshine
In August, the average sunshine is 9.8h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index in Columbus. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 5 during August translates into the following guidance:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Columbus, WI
- Average high temperature in August: 77.2°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (23°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in August
Columbus, WI
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Columbus, WI
- Average wind speed in August: 6.7mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in August
Columbus, WI
- Average humidity in August: 82%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in August
Columbus, WI
- Average rainfall in August: 1.73"
The wettest month (with the highest rainfall) is June (2.44").
The driest month (with the least rainfall) is December (0.63").
Average rainfall days in August
Columbus, WI
- Average rainfall days in August: 12.8 days
The month with the highest number of rainy days is June (16.2 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in August
Columbus, WI
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Columbus, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Columbus, WI
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 9h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in August
Columbus, WI
- Average sunshine days in August: 13.6 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in August
Columbus, 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
Columbus, WI
- Average cloud cover in August: 34
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 34).
Average visibility in August
Columbus, WI
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).





