In December, the weather in Nizhneyansk is typically freezing. Average daily high temperature in December is about 23 degrees below zero. On average, Nizhneyansk has 24 cloudy, 5 sunny, 1 snowy, and 1 partly cloudy day in December. The snowfalls are usually light. December as well as January, February, March, and April is considered the most uncomfortable time to visit Nizhneyansk.