Wisconsin (Madison)
May
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 17.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.7 °F by the end of May.
Wisconsin in May brings notable rainfall, with an average of 20 rainy days and a total precipitation of 129.7 mm.
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Temperatures
Rain 🌧️
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11
Dry days
20
Rainy days
0
Snow days
20°/9°
Temperatures
21 km/h
Avg max wind
75 %
Avg humidity
Wisconsin in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  14° | 2  13° | 3  17° | 4  17° | |||
| 5 18° | 6 19° | 7  25° | 8 19° | 9 16° | 10 19° | 11 20° |
| 12 21° | 13 19° | 14 14° | 15 18° | 16 22° | 17  21° | 18 24° |
| 19 20° | 20 23° | 21 24° | 22 21° | 23 24° | 24 20° | 25  20° |
| 26 21° | 27 21° | 28 20° | 29 21° | 30 23° | 31 26° |
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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 | Moderate rain at times | 14° /6° | 3 mm | 3 | |
| May 2 | Overcast | 13° /5° | 29.2 mm | 4 | |
| May 3 | Cloudy | 17° /5° | 5.3 mm | 4 | |
| May 4 | Partly cloudy | 17° /5° | 2.2 mm | 4 | |
| May 5 | Overcast | 18° /7° | 2.5 mm | 4 | |
| May 6 | Moderate or heavy rain shower | 19° /8° | 8.9 mm | 5 | |
| May 7 | Heavy rain at times | 25° /13° | 9 mm | 6 | |
| May 8 | Heavy rain at times | 19° /10° | 5.9 mm | 5 | |
| May 9 | Overcast | 16° /8° | 4.5 mm | 4 | |
| May 10 | Overcast | 19° /6° | 0.6 mm | 5 | |
| May 11 | Partly cloudy | 20° /8° | 0.4 mm | 5 | |
| May 12 | Moderate or heavy rain shower | 21° /11° | 4.2 mm | 5 | |
| May 13 | Overcast | 19° /12° | 3.8 mm | 5 | |
| May 14 | Heavy rain at times | 14° /7° | 4.2 mm | 4 | |
| May 15 | Partly cloudy | 18° /6° | 0 mm | 5 | |
| May 16 | Overcast | 22° /8° | 4.7 mm | 5 | |
| May 17 | Sunny | 21° /8° | 0 mm | 5 | |
| May 18 | Overcast | 24° /8° | 0 mm | 6 | |
| May 19 | Overcast | 20° /10° | 2.4 mm | 5 | |
| May 20 | Sunny | 23° /8° | 4.9 mm | 6 | |
| May 21 | Partly cloudy | 24° /12° | 11.7 mm | 6 | |
| May 22 | Cloudy | 21° /11° | 0.1 mm | 5 | |
| May 23 | Partly cloudy | 24° /11° | 0 mm | 7 | |
| May 24 | Overcast | 20° /10° | 2.2 mm | 5 | |
| May 25 | Patchy rain possible | 20° /6° | 0.1 mm | 5 | |
| May 26 | Sunny | 21° /8° | 15.5 mm | 6 | |
| May 27 | Sunny | 21° /8° | 2.9 mm | 5 | |
| May 28 | Overcast | 20° /9° | 1.2 mm | 5 | |
| May 29 | Partly cloudy | 21° /8° | 0.2 mm | 6 | |
| May 30 | Partly cloudy | 23° /9° | 0 mm | 6 | |
| May 31 | Patchy rain possible | 26° /10° | 0.1 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 9°. 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 129.7 mm is expected in Wisconsin during May, occurring over more than 20 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 21 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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