January in Gävle is the snowiest and the most freezing month of the year. In January, the weather in Gävle is typically freezing. Average daily high temperature in January is about 2 degrees below zero. On average, Gävle has 15 cloudy, 9 snowy, 4 sunny, 2 partly cloudy, and 1 rainy day in January. The snowfalls are usually light.