In April, the weather in Bol'shaya Irba is typically cold. Average daily high temperature in April is about 7 degrees above zero. On average, Bol'shaya Irba has 18 rainy, 5 sunny, 4 partly cloudy, and 3 cloudy days in April. The rains are usually moderate. April as well as January, February, May, and September is considered the most uncomfortable time to visit Bol'shaya Irba.