November in Thunder Bay is the windiest and the cloudiest month of the year. In November, the weather in Thunder Bay is typically cold. Average daily high temperature in November is about 1 degree above zero. On average, Thunder Bay has 11 cloudy, 9 partly cloudy, 4 snowy, 4 sunny, and 2 rainy days in November. The snowfalls are usually moderate. November as well as January, March, April, and October is considered the most uncomfortable time to visit Thunder Bay.