The temperatures in Hamm in July are comfortable with low of 14°C and and high up to 23°C.
You can expect about 3 to 8 days of rain in Hamm during the month of July. 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 Hamm in July 2025.
If you’re planning to visit Hamm in the near future, we highly recommend that you review the 14 day weather forecast for Hamm before you arrive.
Temperatures
23° / 14°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
125
mm
Sun Hours
9.6
Hrs