August weather forecastOld Fort, WI
August
Weather in August
The last month of the summer, August, is also an agreeable month in Old Fort, Wisconsin, with an average temperature ranging between min 57.9°F (14.4°C) and max 72.5°F (22.5°C).Temperature
August, on average, is the warmest month, registering a high temperature of 72.5°F (22.5°C) and a low of 57.9°F (14.4°C).Humidity
In Old Fort, the average relative humidity in August is 77%.Rainfall
In August, the rain falls for 13.5 days. Throughout August, 1.93" (49mm) of precipitation is accumulated. In Old Fort, Wisconsin, during the entire year, the rain falls for 127.9 days and collects up to 22.56" (573mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August is 14h and 8min.On the first day of August, sunrise is at 5:44 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:43 pm CDT.
Sunshine
In Old Fort, the average sunshine in August is 10.3h.UV index
In Old Fort, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 5 in August transforms into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. 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
Old Fort, WI
- Average high temperature in August: 72.5°F
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (20.3°F).
- Average low temperature in August: 57.9°F
The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in August
Old Fort, WI
- Average pressure in August: 29.93"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in August
Old Fort, WI
- Average wind speed in August: 7.3mph
The windiest months (with the highest average wind speed) are January and December (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in August
Old Fort, WI
- Average humidity in August: 77%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (75%).
Average rainfall in August
Old Fort, WI
- Average rainfall in August: 1.93"
The wettest months (with the highest rainfall) are May and July (2.56").
The driest months (with the least rainfall) are January and February (1.06").
Average rainfall days in August
Old Fort, WI
- Average rainfall days in August: 13.5 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in August
Old Fort, WI
- Average snowfall in August: 0"
The month with the highest snowfall is January (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Old Fort, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Old Fort, WI
- 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 36min).
- Average sunshine in August: 10h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in August
Old Fort, WI
- Average sunshine days in August: 14.9 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8.7 days).
Average UV index in August
Old Fort, WI
- 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, November and December (UV index 1).
Average cloud cover in August
Old Fort, WI
- Average cloud cover in August: 29
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in August
Old Fort, WI
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





