December in Nizhnevartovsk is the snowiest month of the year. In December, the weather in Nizhnevartovsk is typically freezing. Average daily high temperature in December is about 15 degrees below zero. On average, Nizhnevartovsk has 15 cloudy, 12 snowy, 3 sunny, and 1 partly cloudy day in December. The snowfalls are usually light. December as well as January, February, September, and October is considered the most uncomfortable time to visit Nizhnevartovsk.