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 12 degrees below zero. On average, Mirnyy has 12 cloudy, 8 partly cloudy, 7 sunny, and 4 snowy days in January. The snowfalls are usually light. January as well as February, April, October, and December is considered the most uncomfortable time to visit Mirnyy.