October in Chisasibi is the rainiest month of the year. In October, the weather in Chisasibi is typically cold. Average daily high temperature in October is about 5 degrees above zero. On average, Chisasibi has 28 rainy, 2 cloudy, and 1 sunny day in October. The rains are usually heavy. October as well as January, February, March, and May is considered the most uncomfortable time to visit Chisasibi.