January in Sosnogorsk is the snowiest and the most freezing month of the year. In January, the weather in Sosnogorsk is typically freezing. Average daily high temperature in January is about 13 degrees below zero. On average, Sosnogorsk has 16 cloudy, 12 snowy, 2 partly cloudy, and 1 sunny day in January. The snowfalls are usually light. January as well as February, May, September, and October is considered the most uncomfortable time to visit Sosnogorsk.