May in Urengoy is the rainiest month of the year. In May, the weather in Urengoy is typically cold. Average daily high temperature in May is about 2 degrees above zero. On average, Urengoy has 16 rainy, 11 snowy, and 4 cloudy days in May. The rains are usually moderate. May as well as January, February, March, and August is considered the most uncomfortable time to visit Urengoy.