May in Martyanovo is the rainiest month of the year. In May, the weather in Martyanovo is typically warm. Average daily high temperature in May is about 17 degrees above zero. On average, Martyanovo has 16 rainy, 8 sunny, 5 partly cloudy, and 2 cloudy days in May. The rains are usually heavy. May as well as March, April, September, and October is considered the most uncomfortable time to visit Martyanovo.