May in Pec pod Snezkou is the rainiest month of the year. In May, the weather in Pec pod Snezkou is typically warm. Average daily high temperature in May is about 14 degrees above zero. On average, Pec pod Snezkou has 26 rainy and 5 sunny days in May. The rains are usually heavy. May as well as March, April, June, and July is considered the most uncomfortable time to visit Pec pod Snezkou.