December in Nemiscau is the snowiest month of the year. In December, the weather in Nemiscau is typically freezing. Average daily high temperature in December is about 9 degrees below zero. On average, Nemiscau has 12 snowy, 12 cloudy, 5 partly cloudy, and 2 sunny days in December. The snowfalls are usually moderate. December as well as January, February, September, and October is considered the most uncomfortable time to visit Nemiscau.