February in Greater Sudbury is the cloudiest month of the year. In February, the weather in Greater Sudbury is typically freezing. Average daily high temperature in February is about 8 degrees below zero. On average, Greater Sudbury has 14 snowy, 14 cloudy, and 1 sunny day in February. The snowfalls are usually moderate. February as well as January, April, October, and November is considered the most uncomfortable time to visit Greater Sudbury.