August weather forecastFort Atkinson, WI
August
Weather in August
August carries on the summer trend from July, with similar weather conditions experienced in Fort Atkinson. The high summer temperature slightly decreases, but the city continues to feel the heat. Rainfall decreases from July to 2.8" (71mm). Despite being the midway point of the season, August brings a fair share of sunny days. The weather during this month indicates the approaching end of summer.Temperature
The shift into August finds Fort Atkinson, Wisconsin, at an average high-temperature of a still warm 77.5°F (25.3°C), closely comparable to July's conditions. Fort Atkinson encounters a steady low-temperature average of 59.7°F (15.4°C) throughout the month of August.Humidity
In Fort Atkinson, the average relative humidity in August is 83%.Rainfall
In Fort Atkinson, in August, it is raining for 15.6 days, with typically 2.8" (71mm) of accumulated precipitation. In Fort Atkinson, during the entire year, the rain falls for 149.4 days and collects up to 28.82" (732mm) of precipitation.Snowfall
In Fort Atkinson, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 53min.On the first day of August in Fort Atkinson, sunrise is at 5:47 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:31 pm CDT.
Sunshine
In Fort Atkinson, the average sunshine in August is 9.7h.UV index
In Fort Atkinson, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In August, an average UV index of 5 transforms into the following instructions:
Exercise prevention - Warding off sunburn is urged. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Fort Atkinson, WI
- Average high temperature in August: 77.5°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in August: 59.7°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in August
Fort Atkinson, WI
- Average pressure in August: 29.97"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
Fort Atkinson, WI
- Average wind speed in August: 6.4mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in August
Fort Atkinson, WI
- Average humidity in August: 83%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in August
Fort Atkinson, WI
- Average rainfall in August: 2.8"
The wettest month (with the highest rainfall) is June (3.78").
The driest months (with the least rainfall) are January and February (1.42").
Average rainfall days in August
Fort Atkinson, WI
- Average rainfall days in August: 15.6 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is February (5 days).
Average snowfall in August
Fort Atkinson, WI
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Fort Atkinson, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Fort Atkinson, 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 6min).
- Average sunshine in August: 9h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in August
Fort Atkinson, WI
- Average sunshine days in August: 12.3 days
The month with the most sunshine days is November (16.1 days).
The months with the least sunshine days are May and June (9.8 days).
Average UV index in August
Fort Atkinson, WI
- Average UV index in August: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Fort Atkinson, WI
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in August
Fort Atkinson, WI
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).





