March in Mirny is the windiest and the cloudiest month of the year. In March, the weather in Mirny is typically freezing. Average daily high temperature in March is about 12 degrees below zero. On average, Mirny has 26 cloudy and 5 snowy days in March. The snowfalls are usually light. March as well as January, February, May, and September is considered the most uncomfortable time to visit Mirny.