December in Wemindji is the snowiest month of the year. In December, the weather in Wemindji is typically freezing. Average daily high temperature in December is about 9 degrees below zero. On average, Wemindji has 26 snowy, 4 cloudy, and 1 sunny day in December. The snowfalls are usually moderate. December as well as January, February, May, and September is considered the most uncomfortable time to visit Wemindji.