Madison (WI)
May
Weather in Madison, Wisconsin for May 2026
Your guide to Madison weather in May - trends and predictions
Until now, May 2026 in Madison is slightly cooler than the historical average by -1.7 °F.
Expect cooler weather in the next days in Madison with the forecast suggesting a temperature of 22.1 °F, lower than the historical average.
In general, the average temperature in Madison at the beginning of May is 15.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 22.1 °F by the end of May.
Madison experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 186.4 mm.
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Temperatures
Rain 🌧️
More
10
Dry days
21
Rainy days
0
Snow days
19°/8°
Temperatures
20 km/h
Avg max wind
75 %
Avg humidity
Madison Weather May
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Temperatures trend during May in Madison
See the weather trend as well as the moving average line
May weather in Madison day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Moderate rain at times | 12° /5° | 3.9 mm | 4 | |
| May 2 |  Overcast | 12° /4° | 31.6 mm | 5 | |
| May 3 | Overcast | 16° /5° | 2.7 mm | 4 | |
| May 4 |  Partly cloudy | 18° /5° | 2.9 mm | 5 | |
| May 5 | Overcast | 15° /6° | 1.3 mm | 5 | |
| May 6 | Moderate or heavy rain shower | 17° /6° | 4.4 mm | 6 | |
| May 7 |  Heavy rain at times | 20° /8° | 4.5 mm | 6 | |
| May 8 | Overcast | 18° /6° | 3 mm | 5 | |
| May 9 | Overcast | 17° /6° | 2.3 mm | 6 | |
| May 10 |  Patchy rain possible | 19° /6° | 0.3 mm | 6 | |
| May 11 | Partly cloudy | 20° /5° | 0.2 mm | 6 | |
| May 12 | Moderate or heavy rain shower | 22° /8° | 3 mm | 6 | |
| May 13 | Overcast | 19° /11° | 1.9 mm | 5 | |
| May 14 | Heavy rain at times | 18° /8° | 3.1 mm | 6 | |
| May 15 | Partly cloudy | 21° /9° | 0.1 mm | 5 | |
| May 16 | Overcast | 25° /11° | 8.2 mm | 6 | |
| May 17 |  Sunny | 20° /8° | 6 mm | 5 | |
| May 18 | Overcast | 21° /10° | 0.6 mm | 5 | |
| May 19 | Overcast | 19° /9° | 2.1 mm | 4 | |
| May 20 | Sunny | 18° /6° | 31.5 mm | 6 | |
| May 21 | Partly cloudy | 19° /9° | 19.8 mm | 6 | |
| May 22 |  Cloudy | 19° /9° | 0 mm | 6 | |
| May 23 | Partly cloudy | 21° /9° | 0.3 mm | 5 | |
| May 24 | Sunny | 26° /15° | 0 mm | 7.6 | |
| May 25 | Sunny | 25° /13° | 0 mm | 7.7 | |
| May 26 | Sunny | 27° /15° | 0 mm | 8.3 | |
| May 27 | Patchy rain possible | 26° /15° | 3.2 mm | 7.8 | |
| May 28 | Sunny | 26° /11° | 0 mm | 0.5 | |
| May 29 |  Moderate rain | 17° /14° | 6 mm | 4 | |
| May 30 | Sunny | 15° /7° | 0.1 mm | 4 | |
| May 31 | Sunny | 19° /6° | 0 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Madison 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 Madison forecast closer to your planned date for the most up-to-date weather information.
Change Month
Madison in May - FAQ
What are the expected maximum and minimum temperatures in Madison during May?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Madison during May?
Significant rainfall exceeding 186.4 mm is expected in Madison during May, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Madison during May?
The average wind speed in Madison during May is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Madison
Explore the daily rainfall trends and prepare for Madisons May weather 💧
Typically, Madison has 21 rainy days in May with a total of 186.4 mm of rainfall.
UV exposure in Madison during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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