May in Sljudyanka is the rainiest and the windiest month of the year. In May, the weather in Sljudyanka is typically warm. Average daily high temperature in May is about 11 degrees above zero. On average, Sljudyanka has 13 rainy, 8 sunny, 8 partly cloudy, and 2 cloudy days in May. The rains are usually moderate. May as well as January, February, April, and October is considered the most uncomfortable time to visit Sljudyanka.