In December, the weather in Bel'tsovo is typically freezing. Average daily high temperature in December is about 11 degrees below zero. On average, Bel'tsovo has 19 cloudy, 8 snowy, 3 sunny, and 1 partly cloudy day in December. The snowfalls are usually moderate. December as well as January, February, March, and April is considered the most uncomfortable time to visit Bel'tsovo.