December in Chernogorsk is the cloudiest month of the year. In December, the weather in Chernogorsk is typically freezing. Average daily high temperature in December is about 11 degrees below zero. On average, Chernogorsk has 24 cloudy, 6 snowy, and 1 sunny day in December. The snowfalls are usually light. December as well as January, February, April, and October is considered the most uncomfortable time to visit Chernogorsk.