Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
With the onset of August, the average high-temperature stands at a still moderately hot 77.4°F (25.2°C), closely aligned with July's 78.6°F (25.9°C). Throughout August, the nighttime temperature averages to a mild 59.5°F (15.3°C).Humidity
In August, the average relative humidity in Madison is 82%.Rainfall
In August, the rain falls for 5.4 days. Throughout August, 0.31" (8mm) of precipitation is accumulated. Throughout the year, there are 50.2 rainfall days, and 4.76" (121mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 53min.On the first day of the month, sunrise is at 5:49 am and sunset at 8:18 pm. On the last day of August, sunrise is at 6:21 am and sunset at 7:33 pm CDT.
Sunshine
In August, the average sunshine is 9.7h.UV index
In Madison, Wisconsin, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 5 in August translates into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. 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
What is the usual temperature for Madison in August?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
What is the average length of the day in August?
What time are sunrise and sunset in August?
How many hours of sunshine does Madison have in August?
How high is the UV index in August in Madison?
Average temperature in August
Madison, WI
- Average high temperature in August: 77.4°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 (23.9°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in August
Madison, WI
- Average pressure in August: 29.97"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Madison, WI
- Average wind speed in August: 6.6mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in August
Madison, WI
- Average humidity in August: 82%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in August
Madison, WI
- Average rainfall in August: 0.31"
The wettest month (with the highest rainfall) is July (0.63").
The driest months (with the least rainfall) are January, March, November and December (0.24").
Average rainfall days in August
Madison, WI
- Average rainfall days in August: 5.4 days
The month with the highest number of rainy days is June (6.7 days).
The month with the least rainy days is January (1.1 days).
Average snowfall in August
Madison, WI
- Average snowfall in August: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Madison, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Madison, WI
- Average daylight in August: 13h and 5min
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 4min
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 18min).
Average sunshine days in August
Madison, WI
- Average sunshine days in August: 22.5 days
The month with the most sunshine days is December (27 days).
The month with the least sunshine days is June (19.8 days).
Average UV index in August
Madison, WI
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in August
Madison, WI
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in August
Madison, WI
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
Madison, Wisconsin, USA
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