February in Mirny is the cloudiest month of the year. In February, the weather in Mirny is typically cold. Average daily high temperature in February is about 5 degrees above zero. On average, Mirny has 20 cloudy, 5 rainy, 3 sunny, and 1 partly cloudy day in February. The rains are usually light. February as well as January, March, and December is considered the most uncomfortable time to visit Mirny.