May in Udinsk is the rainiest month of the year. In May, the weather in Udinsk is typically warm. Average daily high temperature in May is about 11 degrees above zero. On average, Udinsk has 14 rainy, 7 partly cloudy, 5 sunny, and 5 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 Udinsk.