December weather forecast in Thief River Falls

December in Thief River Falls is the snowiest month of the year. In December, the weather in Thief River Falls is typically freezing. Average daily high temperature in December is about 9 degrees below zero. On average, Thief River Falls has 23 cloudy, 7 snowy, and 1 sunny day in December. The snowfalls are usually light. December as well as January, February, March, and April is considered the most uncomfortable time to visit Thief River Falls.