Temperatures in August
It's warm in August in Wisconsin with an average temperature of 26°C. Temperatures this month range from a low of 25°C to a high of 29°C. At night, you can expect temperatures between 14°C and 18°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Wisconsin in August. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of August
The month of August starts in Wisconsin with hot temperatures, averaging around 28°C during the day and nights close to 17°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-August
By mid-August, the average daytime temperature drops to around 27°C, with nights close to 17°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers.
End of August
By the end of August, the average daytime temperature in Wisconsin will be around 26°C, with nights close to 17°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
As it gets cooler in the evening, it’s best to wear layers.
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Precipitation in August
In August, there is an average of 116 mm of precipitation, spread over 10 days. The wind speed is around 3 Bft, mostly coming from the South.
The average precipitation chance is 32% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in August for Wisconsin. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Wisconsin in August |
UK | ||
|---|---|---|---|
 Average Temperature |
26°C | 22°C | |
 High Temp |
29°C | 24°C | |
| Low Temp |
25°C | 19°C | |
 Total Precipitation |
116 mm | 60 mm | |
| Rainy Days |
10 days | 10 days | |
July
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is August a good time to visit Wisconsin?
After some sun? Then August isn’t the best time to be in Wisconsin. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Wisconsin in August
With 37°C, Wisconsin hit the highest temperature in the last 10 years in August 2023. The lowest daytime temperature in this month was 16°C in 2015. The extreme night temperatures ranged from a low of 7°C to a high of 23°C.
Check out the climate of Wisconsin for all months and discover the best travel time
The climate of Wisconsin is based on weather data from . Other spots, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in Wisconsin for a full picture of the climate.
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Daily Temperature in August in Wisconsin
This chart shows the average daily temperatures, both day and night, for each day in August in Wisconsin, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in August in Wisconsin
The chart below shows the average daily precipitation in August for Wisconsin, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for August, you can expect around 10 days of rain in Wisconsin.
Daily UV Index in August in Wisconsin
This chart shows the average daily UV index in August in Wisconsin, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in Wisconsin Over the Years
This chart shows the average temperature in August in Wisconsin, measured in degrees Celsius, over the past years.
Total Precipitation in August in Wisconsin Over the Years
This chart shows the average precipitation in August in Wisconsin, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in August for Wisconsin
Click on a specific day in August for detailed info on the typical weather on that day in Wisconsin. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Wisconsin
Have you been to Wisconsin in August?
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Average Weather in Wisconsin by Month
Click on a month below to see detailed weather info for Wisconsin. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Wisconsin for all months at once
