December in Novoil'insk is the snowiest month of the year. In December, the weather in Novoil'insk is typically freezing. Average daily high temperature in December is about 15 degrees below zero. On average, Novoil'insk has 25 cloudy, 3 snowy, 2 partly cloudy, and 1 sunny day in December. The snowfalls are usually light. December as well as January, February, and November is considered the most uncomfortable time to visit Novoil'insk.