December in Usinsk is the windiest month of the year. In December, the weather in Usinsk is typically freezing. Average daily high temperature in December is about 12 degrees below zero. On average, Usinsk has 17 snowy, 12 cloudy, and 2 sunny days in December. The snowfalls are usually light. December as well as January, February, May, and August is considered the most uncomfortable time to visit Usinsk.