Milwaukee County (Milwaukee)
May
Weather in Milwaukee County, Wisconsin for May 2026
Your guide to Milwaukee County weather in May - trends and predictions
Until now, May 2026 in Milwaukee County is slightly cooler than the historical average by -0.9 °F.
The forecast for the upcoming days in Milwaukee County predicts a temperature of 17.9 °F, which is slightly above the historical average.
In general, the average temperature in Milwaukee County 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.
Milwaukee County 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
Milwaukee County Weather May
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Temperatures trend during May in Milwaukee County
See the weather trend as well as the moving average line
May weather in Milwaukee County 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 Milwaukee County 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 Milwaukee County forecast closer to your planned date for the most up-to-date weather information.
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Milwaukee County in May - FAQ
What are the expected maximum and minimum temperatures in Milwaukee County 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 Milwaukee County during May?
Significant rainfall exceeding 126.6 mm is expected in Milwaukee County during May, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Milwaukee County during May?
The average wind speed in Milwaukee County during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Milwaukee County
Explore the daily rainfall trends and prepare for Milwaukee Countys May weather 💧
Typically, Milwaukee County has 19 rainy days in May with a total of 126.6 mm of rainfall.
UV exposure in Milwaukee County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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