May in Voronezhskiy is the rainiest month of the year. In May, the weather in Voronezhskiy is typically warm. Average daily high temperature in May is about 10 degrees above zero. On average, Voronezhskiy has 20 rainy, 8 cloudy, 2 sunny, and 1 partly cloudy day in May. The rains are usually moderate. May as well as January, February, April, and September is considered the most uncomfortable time to visit Voronezhskiy.