The temperatures in Ulm in May are quite cold with temperatures between 6°C and 17°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Ulm. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Ulm in May 2025.
If you’re planning to visit Ulm in the near future, we highly recommend that you review the 14 day weather forecast for Ulm before you arrive.
Temperatures
17° / 6°
Rainy Days
11
Snowy Days
0
Dry Days
19
Rainfall
186
mm
Sun Hours
8.7
Hrs
