The weather in Boise in December is very cold with temperatures between -19°C and -13°C, warm clothes are a must.
Boise is going to be cold and wet in the month of December. Expect low temperatures and a few days of rain, so be sure to bundle up to avoid catching a cold.
You can expect a few days of snow in Boise during December. It’s important to get out your snow boots and warm mittens to stay warm while you explore Boise.
Our weather forecast can give you a great sense of what weather to expect in Boise in December 2024.
If you’re planning to visit Boise in the near future, we highly recommend that you review the 14 day weather forecast for Boise before you arrive.