The temperatures in Mainz in May are quite cold with temperatures between 9°C and 20°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Mainz 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 Mainz in May 2024.
If you’re planning to visit Mainz in the near future, we highly recommend that you review the 14 day weather forecast for Mainz before you arrive.
Temperatures
20° / 9°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
84
mm
Sun Hours
9.8
Hrs
