December in Nizhneudinsk is the snowiest month of the year. In December, the weather in Nizhneudinsk is typically freezing. Average daily high temperature in December is about 12 degrees below zero. On average, Nizhneudinsk has 9 snowy, 8 cloudy, 8 partly cloudy, and 6 sunny days in December. The snowfalls are usually light. December as well as January, February, September, and October is considered the most uncomfortable time to visit Nizhneudinsk.