May in Ternopil is the rainiest month of the year. In May, the weather in Ternopil is typically warm. Average daily high temperature in May is about 17 degrees above zero. On average, Ternopil has 20 rainy, 9 sunny, 1 cloudy, and 1 partly cloudy day in May. The rains are usually heavy. May as well as February, March, April, and November is considered the most uncomfortable time to visit Ternopil.