March in Bolshaya Sosnova is the snowiest and the cloudiest month of the year. In March, the weather in Bolshaya Sosnova is typically freezing. Average daily high temperature in March is about 3 degrees below zero. On average, Bolshaya Sosnova has 22 snowy, 8 cloudy, and 1 rainy day in March. The snowfalls are usually moderate.