May in Nizhniy Unal is the rainiest and the cloudiest month of the year. In May, the weather in Nizhniy Unal is typically warm. Average daily high temperature in May is about 14 degrees above zero. On average, Nizhniy Unal has 26 rainy, 3 partly cloudy, and 2 sunny days in May. The rains are usually heavy. May as well as April, June, July, and August is considered the most uncomfortable time to visit Nizhniy Unal.