January in Mirnyy is the most freezing month of the year. In January, the weather in Mirnyy is typically freezing. Average daily high temperature in January is about 9 degrees below zero. On average, Mirnyy has 18 snowy, 12 cloudy, and 1 sunny day in January. The snowfalls are usually light. January as well as April, September, and October is considered the most uncomfortable time to visit Mirnyy.