January in Ornskoldsvik is the snowiest, the windiest, and the most freezing month of the year. In January, the weather in Ornskoldsvik is typically freezing. Average daily high temperature in January is about 4 degrees below zero. On average, Ornskoldsvik has 10 partly cloudy, 8 snowy, 8 cloudy, 4 sunny, and 1 rainy day in January. The snowfalls are usually moderate.