In February, the weather in Bol'shiye Syry is typically freezing. Average daily high temperature in February is about 9 degrees below zero. On average, Bol'shiye Syry has 8 snowy, 8 sunny, 7 cloudy, and 6 partly cloudy days in February. The snowfalls are usually light. February as well as January, May, September, and October is considered the most uncomfortable time to visit Bol'shiye Syry.