January in Sosnovka is the most freezing month of the year. In January, the weather in Sosnovka is typically freezing. Average daily high temperature in January is about 9 degrees below zero. On average, Sosnovka has 17 snowy, 12 cloudy, and 2 sunny days in January. The snowfalls are usually light. January as well as April, September, October, and November is considered the most uncomfortable time to visit Sosnovka.