January weather forecast in Pietarsaari

January in Pietarsaari is the snowiest and the cloudiest month of the year. In January, the weather in Pietarsaari is typically freezing. Average daily high temperature in January is about 3 degrees below zero. On average, Pietarsaari has 12 cloudy, 9 partly cloudy, 6 snowy, 3 sunny, and 1 rainy day in January. The snowfalls are usually light.