May in Ul'kan is the rainiest and the windiest month of the year. In May, the weather in Ul'kan is typically warm. Average daily high temperature in May is about 10 degrees above zero. On average, Ul'kan has 19 rainy, 8 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 Ul'kan.