December in Novosibirsk is the snowiest month of the year. In December, the weather in Novosibirsk is typically freezing. Average daily high temperature in December is about 10 degrees below zero. On average, Novosibirsk has 12 snowy, 12 cloudy, 4 sunny, and 3 partly cloudy days in December. The snowfalls are usually light. December as well as January, February, and October is considered the most uncomfortable time to visit Novosibirsk.