May in Grachyovka is the rainiest month of the year. In May, the weather in Grachyovka is typically warm. Average daily high temperature in May is about 20 degrees above zero. On average, Grachyovka has 19 rainy, 10 sunny, and 2 partly cloudy days in May. The rains are usually heavy. May as well as February, March, and December is considered the most uncomfortable time to visit Grachyovka.