May in Lesosibirsk is the windiest month of the year. In May, the weather in Lesosibirsk is typically warm. Average daily high temperature in May is about 11 degrees above zero. On average, Lesosibirsk has 14 rainy, 13 cloudy, 3 sunny, and 1 partly cloudy day in May. The rains are usually moderate. May as well as January, February, April, and September is considered the most uncomfortable time to visit Lesosibirsk.