In May, the weather in Bolshaya Chernaya is typically warm. Average daily high temperature in May is about 14 degrees above zero. On average, Bolshaya Chernaya has 15 rainy, 6 sunny, 6 partly cloudy, and 4 cloudy days in May. The rains are usually moderate. May as well as January, February, April, and October is considered the most uncomfortable time to visit Bolshaya Chernaya.