May in Bol'shoy Khatymi is the rainiest and the windiest month of the year. In May, the weather in Bol'shoy Khatymi is typically cold. Average daily high temperature in May is about 6 degrees above zero. On average, Bol'shoy Khatymi has 25 rainy, 3 cloudy, 2 sunny, and 1 snowy day in May. The rains are usually heavy. May as well as January, February, March, and August is considered the most uncomfortable time to visit Bol'shoy Khatymi.