October in Nemiscau is the rainiest month of the year. In October, the weather in Nemiscau is typically cold. Average daily high temperature in October is about 5 degrees above zero. On average, Nemiscau has 25 rainy, 4 cloudy, and 2 sunny days in October. The rains are usually heavy. October as well as January, February, April, and May is considered the most uncomfortable time to visit Nemiscau.