October in Chibougamau is the rainiest month of the year. In October, the weather in Chibougamau is typically cold. Average daily high temperature in October is about 6 degrees above zero. On average, Chibougamau has 21 rainy, 6 cloudy, 3 sunny, and 1 partly cloudy day in October. The rains are usually heavy. October as well as January, February, April, and May is considered the most uncomfortable time to visit Chibougamau.