In May, the weather in Yuil'sk is typically cold. Average daily high temperature in May is about 6 degrees above zero. On average, Yuil'sk has 14 cloudy, 12 rainy, 3 sunny, and 2 partly 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 Yuil'sk.