May in Klatovy is the rainiest month of the year. In May, the weather in Klatovy is typically warm. Average daily high temperature in May is about 15 degrees above zero. On average, Klatovy has 16 rainy, 8 sunny, 4 partly cloudy, and 3 cloudy days in May. The rains are usually moderate. May as well as February, March, April, and November is considered the most uncomfortable time to visit Klatovy.