February in Bol'shaya Kosul' is the cloudiest month of the year. In February, the weather in Bol'shaya Kosul' is typically freezing. Average daily high temperature in February is about 13 degrees below zero. On average, Bol'shaya Kosul' has 18 cloudy, 10 snowy, and 1 sunny day in February. The snowfalls are usually light. February as well as January, April, May, and September is considered the most uncomfortable time to visit Bol'shaya Kosul'.