The weather in Boston 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 Boston 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 Boston during December. It’s important to get out your snow boots and warm mittens to stay warm while you explore Boston.
Our weather forecast can give you a great sense of what weather to expect in Boston in December 2024.
If you’re planning to visit Boston in the near future, we highly recommend that you review the 14 day weather forecast for Boston before you arrive.
Temperatures
5° / -1°
Rainy Days
7
Snowy Days
7
Dry Days
17
Rainfall
143
mm
Sun Hours
8.1
Hrs
