May in Chernihovtsy is the rainiest month of the year. In May, the weather in Chernihovtsy is typically warm. Average daily high temperature in May is about 17 degrees above zero. On average, Chernihovtsy has 19 rainy, 10 sunny, 1 cloudy, and 1 partly cloudy day in May. The rains are usually moderate. May as well as March, April, November, and December is considered the most uncomfortable time to visit Chernihovtsy.