January weather forecast in Granby

January in Granby is the snowiest and the most freezing month of the year. In January, the weather in Granby is typically freezing. Average daily high temperature in January is about 4 degrees below zero. On average, Granby has 13 snowy, 9 sunny, 6 partly cloudy, and 3 cloudy days in January. The snowfalls are usually moderate. January as well as December is considered the most comfortable time to visit Granby.