The weather in Brunswick in December is very cold with temperatures between 1°C and 5°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Brunswick 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 Brunswick during December. It’s important to get out your snow boots and warm mittens to stay warm while you explore Brunswick.
Our weather forecast can give you a great sense of what weather to expect in Brunswick in December 2025.
If you’re planning to visit Brunswick in the near future, we highly recommend that you review the 14 day weather forecast for Brunswick before you arrive.
Temperatures
5° / 1°
Rainy Days
7
Snowy Days
7
Dry Days
17
Rainfall
67
mm
Sun Hours
6.2
Hrs
