In December, the weather in Bol'shaya Irba is typically freezing. Average daily high temperature in December is about 12 degrees below zero. On average, Bol'shaya Irba has 18 snowy, 11 cloudy, and 2 sunny days in December. The snowfalls are usually moderate. December as well as January, February, April, and May is considered the most uncomfortable time to visit Bol'shaya Irba.