May in Bol'shiye Knyshi is the windiest month of the year. In May, the weather in Bol'shiye Knyshi is typically warm. Average daily high temperature in May is about 13 degrees above zero. On average, Bol'shiye Knyshi has 16 rainy, 7 sunny, 7 partly cloudy, and 1 cloudy day in May. The rains are usually light. May as well as January, February, April, and September is considered the most uncomfortable time to visit Bol'shiye Knyshi.