May in Bystré is the rainiest month of the year. In May, the weather in Bystré is typically warm. Average daily high temperature in May is about 15 degrees above zero. On average, Bystré has 18 rainy, 9 sunny, 3 partly cloudy, and 1 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 Bystré.