May in Verkhniy Seymchan is the cloudiest month of the year. In May, the weather in Verkhniy Seymchan is typically cold. Average daily high temperature in May is about 7 degrees above zero. On average, Verkhniy Seymchan has 16 cloudy, 9 partly cloudy, 5 sunny, and 1 rainy day in May. The rains are usually light.