January in Nemiscau is the cloudiest and the most freezing month of the year. In January, the weather in Nemiscau is typically freezing. Average daily high temperature in January is about 14 degrees below zero. On average, Nemiscau has 16 snowy and 15 cloudy days in January. The snowfalls are usually moderate. January as well as February, April, May, and August is considered the most uncomfortable time to visit Nemiscau.