In December, the weather in Sumon Chyrgalandinsky is typically freezing. Average daily high temperature in December is about 14 degrees below zero. On average, Sumon Chyrgalandinsky has 10 partly cloudy, 9 cloudy, 6 snowy, and 6 sunny days in December. The snowfalls are usually light. December as well as January, February, April, and November is considered the most uncomfortable time to visit Sumon Chyrgalandinsky.