May in Nevinnomissk is the rainiest month of the year. In May, the weather in Nevinnomissk is typically warm. Average daily high temperature in May is about 19 degrees above zero. On average, Nevinnomissk has 22 rainy and 9 sunny days in May. The rains are usually heavy. May as well as February, March, April, and December is considered the most uncomfortable time to visit Nevinnomissk.