December in Pervouralsk is the snowiest month of the year. In December, the weather in Pervouralsk is typically freezing. Average daily high temperature in December is about 9 degrees below zero. On average, Pervouralsk has 15 cloudy, 10 snowy, 4 partly cloudy, and 2 sunny days in December. The snowfalls are usually light. December as well as January, February, April, and September is considered the most uncomfortable time to visit Pervouralsk.