Wisconsin (Milwaukee)
May
Weather in Wisconsin for May 2026
Your guide to Wisconsin weather in May - trends and predictions
Until now, May 2026 in Wisconsin is slightly cooler than the historical average by -0.9 °F.
The forecast for the upcoming days in Wisconsin predicts a temperature of 17.9 °F, which is slightly above the historical average.
In general, the average temperature in Wisconsin at the beginning of May is 14 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 18.4 °F by the end of May.
Wisconsin in May brings notable rainfall, with an average of 19 rainy days and a total precipitation of 126.6 mm.
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Temperatures
Rain 🌧️
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12
Dry days
19
Rainy days
0
Snow days
17°/8°
Temperatures
19 km/h
Avg max wind
74 %
Avg humidity
Wisconsin Weather May
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What’s the Weather Like in Wisconsin This May?
Discover the average temperatures and weather trends across Wisconsin’s cities this May.
Temperatures trend during May in Wisconsin
See the weather trend as well as the moving average line
May weather in Wisconsin day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Moderate rain at times | 11° /5° | 8.4 mm | 4 | |
| May 2 |  Patchy rain possible | 10° /3° | 8.8 mm | 4 | |
| May 3 |  Overcast | 15° /4° | 0.5 mm | 3 | |
| May 4 |  Partly cloudy | 17° /5° | 5.6 mm | 5 | |
| May 5 | Partly cloudy | 13° /7° | 2.6 mm | 5 | |
| May 6 | Moderate or heavy rain shower | 14° /6° | 2.4 mm | 5 | |
| May 7 | Patchy rain possible | 18° /6° | 5.5 mm | 5 | |
| May 8 | Overcast | 15° /6° | 2.4 mm | 5 | |
| May 9 | Patchy rain possible | 16° /6° | 0.1 mm | 5 | |
| May 10 |  Cloudy | 17° /5° | 0.8 mm | 6 | |
| May 11 | Partly cloudy | 16° /6° | 0.2 mm | 6 | |
| May 12 | Patchy rain possible | 23° /5° | 1.2 mm | 4.8 | |
| May 13 | Cloudy | 10° /7° | 0.1 mm | 4.1 | |
| May 14 |  Sunny | 11° /5° | 0 mm | 7.3 | |
| May 15 |  Moderate rain | 15° /7° | 11.2 mm | 0.4 | |
| May 16 | Sunny | 23° /12° | 0 mm | 5 | |
| May 17 | Patchy rain possible | 22° /10° | 1.9 mm | 4 | |
| May 18 | Patchy rain possible | 24° /15° | 3.4 mm | 4 | |
| May 19 | Patchy rain possible | 19° /8° | 1.3 mm | 4 | |
| May 20 | Patchy rain possible | 14° /9° | 0.2 mm | 3 | |
| May 21 |  Mist | 20° /11° | 0 mm | 4 | |
| May 22 | Patchy rain possible | 16° /9° | 1 mm | 3 | |
| May 23 | Patchy rain possible | 19° /13° | 4 mm | 4 | |
| May 24 | Sunny | 19° /12° | 0 mm | 5 | |
| May 25 | Sunny | 15° /10° | 0 mm | 4 | |
| May 26 | Sunny | 18° /7° | 7.4 mm | 5 | |
| May 27 | Sunny | 17° /8° | 2.7 mm | 4 | |
| May 28 | Partly cloudy | 18° /9° | 3.2 mm | 5 | |
| May 29 | Sunny | 19° /10° | 1 mm | 5 | |
| May 30 | Partly cloudy | 21° /10° | 0.1 mm | 5 | |
| May 31 | Overcast | 21° /10° | 0 mm | 5 | |
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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.
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Wisconsin in May - FAQ
What are the expected maximum and minimum temperatures in Wisconsin during May?
Enjoy moderate daytime temperatures of up to 17° 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 126.6 mm is expected in Wisconsin during May, occurring over more than 19 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 19 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 💧
Typically, Wisconsin has 19 rainy days in May with a total of 126.6 mm of rainfall.
UV exposure in Wisconsin during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
Counties in Wisconsin
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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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