The weather in Mayen in December is very cold with temperatures between 0°C and 4°C, warm clothes are a must.
You can expect rain for roughly half of the month of December in Mayen. 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.
Mayen is going to experience quite a number of days of snow during December. It’s the perfect time to build snowmen, drink hot cocoa, and have a snowball fight. Just remember to wear a warm scarf and a pair of mittens!
Our weather forecast can give you a great sense of what weather to expect in Mayen in December 2025.
If you’re planning to visit Mayen in the near future, we highly recommend that you review the 14 day weather forecast for Mayen before you arrive.