January in Sievierodonetsk is the snowiest, the cloudiest, and the most freezing month of the year. In January, the weather in Sievierodonetsk is typically freezing. Average daily high temperature in January is about 2 degrees below zero. On average, Sievierodonetsk has 18 cloudy, 4 snowy, 4 partly cloudy, 3 rainy, and 2 sunny days in January. The snowfalls are usually moderate. January as well as February, March, November, and December is considered the most uncomfortable time to visit Sievierodonetsk.