January weather forecast in Viljandi

January in Viljandi is the snowiest and the most freezing month of the year. In January, the weather in Viljandi is typically freezing. Average daily high temperature in January is about 2 degrees below zero. On average, Viljandi has 16 cloudy, 5 snowy, 5 partly cloudy, 3 rainy, and 2 sunny days in January. The snowfalls are usually light.