December in Sievierodonetsk is the windiest month of the year. In December, the weather in Sievierodonetsk is typically freezing. Average daily high temperature in December is about zero. On average, Sievierodonetsk has 20 cloudy, 6 snowy, 4 rainy, and 1 sunny day in December. The snowfalls are usually light. December as well as March and November is considered the most uncomfortable time to visit Sievierodonetsk.