The temperatures in Wisconsin Dells in May are quite cold with temperatures between 9°C and 19°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Wisconsin Dells during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Wisconsin Dells in May 2025.
If you’re planning to visit Wisconsin Dells in the near future, we highly recommend that you review the 14 day weather forecast for Wisconsin Dells before you arrive.
Temperatures
19° / 9°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
79
mm
Sun Hours
5.7
Hrs