May in Velikiy Ustug is the sunniest month of the year. In May, the weather in Velikiy Ustug is typically warm. Average daily high temperature in May is about 14 degrees above zero. On average, Velikiy Ustug has 12 rainy, 8 sunny, 8 partly cloudy, and 3 cloudy days in May. The rains are usually moderate. May as well as January, February, April, and September is considered the most uncomfortable time to visit Velikiy Ustug.