May weather forecast in Ust'-Yansk

May in Ust'-Yansk is the cloudiest month of the year. In May, the weather in Ust'-Yansk is typically freezing. Average daily high temperature in May is about 1 degree below zero. On average, Ust'-Yansk has 26 cloudy, 3 snowy, 1 rainy, and 1 sunny day in May. The snowfalls are usually light.