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 11 degrees below zero. On average, Mirnyy has 16 cloudy, 13 snowy, and 2 sunny days in January. The snowfalls are usually light. January as well as April, September, and October is considered the most uncomfortable time to visit Mirnyy.