December in Chernyahovsk is the windiest month of the year. In December, the weather in Chernyahovsk is typically cold. Average daily high temperature in December is about 1 degree above zero. On average, Chernyahovsk has 15 rainy, 9 cloudy, 4 snowy, 2 sunny, and 1 partly cloudy day in December. The rains are usually moderate. December as well as March, October, and November is considered the most uncomfortable time to visit Chernyahovsk.