May in Belorechensk is the rainiest month of the year. In May, the weather in Belorechensk is typically warm. Average daily high temperature in May is about 21 degrees above zero. On average, Belorechensk has 20 rainy and 11 sunny days in May. The rains are usually heavy. May as well as January, February, March, and December is considered the most uncomfortable time to visit Belorechensk.