May in Ust-Urkima is the rainiest, the windiest, and the cloudiest month of the year. In May, the weather in Ust-Urkima is typically warm. Average daily high temperature in May is about 11 degrees above zero. On average, Ust-Urkima has 16 rainy, 6 cloudy, 6 partly cloudy, and 3 sunny days in May. The rains are usually heavy. May as well as January, February, March, and September is considered the most uncomfortable time to visit Ust-Urkima.