December in Ust-Volma is the windiest month of the year. In December, the weather in Ust-Volma is typically freezing. Average daily high temperature in December is about 2 degrees below zero. On average, Ust-Volma has 17 cloudy, 7 snowy, 3 rainy, 3 partly cloudy, and 1 sunny day in December. The snowfalls are usually moderate.