December in Ust-Belaya is the snowiest month of the year. In December, the weather in Ust-Belaya is typically freezing. Average daily high temperature in December is about 17 degrees below zero. On average, Ust-Belaya has 12 partly cloudy, 10 sunny, 6 snowy, and 3 cloudy days in December. The snowfalls are usually light. December as well as January, February, March, and November is considered the most uncomfortable time to visit Ust-Belaya.