The weather in Jena in December is very cold with temperatures between 0°C and 4°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Jena during the month of December. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
You can expect a few days of snow in Jena during December. It’s important to get out your snow boots and warm mittens to stay warm while you explore Jena.
Our weather forecast can give you a great sense of what weather to expect in Jena in December 2025.
If you’re planning to visit Jena in the near future, we highly recommend that you review the 14 day weather forecast for Jena before you arrive.
Temperatures
4° / 0°
Rainy Days
7
Snowy Days
7
Dry Days
17
Rainfall
62
mm
Sun Hours
6.7
Hrs