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Weather in Wisconsin for May 2025

Your guide to Wisconsin weather in May - trends and predictions
  • In general, the average temperature in Wisconsin at the beginning of May is 15.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 19.4 °F by the end of May.

  • Wisconsin sees moderate rainfall in May, averaging 6 rainy days.

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Average dry days
25
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/8°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Wisconsin in May average weather

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Temperatures trend during May in Wisconsin

See the weather trend as well as the moving average line

May weather day by day

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Date Weather Temperatures Rain UV More
May 1 Heavy rain at times
Heavy rain at times
13° /7° 7.4 mm 3
May 2 Patchy rain possible
Patchy rain possible
10° /5° 4.9 mm 3
May 3 Cloudy
Cloudy
15° /4° 1 mm 4
May 4 Partly cloudy
Partly cloudy
16° /5° 8.1 mm 4
May 5 Overcast
Overcast
15° /8° 0.1 mm 4
May 6 Moderate or heavy rain shower
Moderate or heavy rain shower
15° /7° 4.8 mm 4
May 7 Patchy rain possible
Patchy rain possible
22° /9° 10.6 mm 5
May 8 Moderate or heavy rain shower
Moderate or heavy rain shower
16° /9° 4.9 mm 4
May 9 Overcast
Overcast
14° /7° 0.2 mm 4
May 10 Cloudy
Cloudy
17° /6° 1.6 mm 4
May 11 Partly cloudy
Partly cloudy
18° /8° 0.4 mm 5
May 12 Moderate rain at times
Moderate rain at times
18° /9° 0.8 mm 4
May 13 Patchy rain possible
Patchy rain possible
18° /9° 6.2 mm 5
May 14 Patchy rain possible
Patchy rain possible
12° /6° 1 mm 3
May 15 Partly cloudy
Partly cloudy
16° /7° 0 mm 5
May 16 Overcast
Overcast
22° /8° 2 mm 5
May 17 Partly cloudy
Partly cloudy
17° /8° 0 mm 4
May 18 Overcast
Overcast
22° /8° 0 mm 5
May 19 Patchy rain possible
Patchy rain possible
19° /11° 3.5 mm 5
May 20 Sunny
Sunny
22° /9° 3.2 mm 5
May 21 Partly cloudy
Partly cloudy
24° /12° 7.9 mm 6
May 22 Partly cloudy
Partly cloudy
20° /12° 0 mm 6
May 23 Partly cloudy
Partly cloudy
22° /11° 0 mm 6
May 24 Overcast
Overcast
20° /11° 1.5 mm 5
May 25 Sunny
Sunny
18° /7° 0 mm 5
May 26 Sunny
Sunny
19° /8° 11.1 mm 5
May 27 Sunny
Sunny
18° /10° 4.1 mm 5
May 28 Partly cloudy
Partly cloudy
19° /10° 2.1 mm 5
May 29 Sunny
Sunny
19° /9° 0.2 mm 5
May 30 Partly cloudy
Partly cloudy
20° /10° 0.1 mm 6
May 31 Overcast
Overcast
23° /11° 0 mm 6
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Important Notice
Our weather forecast for Wisconsin in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Wisconsin forecast closer to your planned date for the most up-to-date weather information.

Wisconsin in May - FAQ

What are the expected maximum and minimum temperatures in Wisconsin during May?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Wisconsin during May?
Significant rainfall exceeding 140.3 mm is expected in Wisconsin during May, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Wisconsin during May?
The average wind speed in Wisconsin during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Wisconsin

Explore the daily rainfall trends and prepare for Wisconsins May weather 💧

UV exposure in Wisconsin during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Location coordinates Where is Wisconsin?

Get accurate weather forecasts for Wisconsin, located at latitude 43.039 and longitude -87.906. Stay updated with localized weather information tailored for Wisconsin.

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