May in Nizhny-Noyber is the rainiest month of the year. In May, the weather in Nizhny-Noyber is typically warm. Average daily high temperature in May is about 24 degrees above zero. On average, Nizhny-Noyber has 11 partly cloudy, 9 rainy, 9 sunny, and 2 cloudy days in May. The rains are usually moderate.