May in Bol'shaya Nichka is the rainiest and the windiest month of the year. In May, the weather in Bol'shaya Nichka is typically warm. Average daily high temperature in May is about 15 degrees above zero. On average, Bol'shaya Nichka has 20 rainy, 5 sunny, 4 cloudy, and 2 partly cloudy days in May. The rains are usually moderate. May as well as January, February, April, and September is considered the most uncomfortable time to visit Bol'shaya Nichka.