The weather in Mettmann in December is very cold with temperatures between 2°C and 6°C, warm clothes are a must.
You can expect rain for roughly half of the month of December in Mettmann. 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.
Please note that Mettmann can expect a few days of snow in December.
Our weather forecast can give you a great sense of what weather to expect in Mettmann in December 2025.
If you’re planning to visit Mettmann in the near future, we highly recommend that you review the 14 day weather forecast for Mettmann before you arrive.
Temperatures
6° / 2°
Rainy Days
13
Snowy Days
2
Dry Days
16
Rainfall
114
mm
Sun Hours
2.7
Hrs
