January in Prince George is the snowiest, the cloudiest, and the most freezing month of the year. In January, the weather in Prince George is typically freezing. Average daily high temperature in January is about 3 degrees below zero. On average, Prince George has 11 partly cloudy, 8 cloudy, 7 snowy, 4 sunny, and 1 rainy day in January. The snowfalls are usually moderate.