May in Velingrad is the rainiest month of the year. In May, the weather in Velingrad is typically warm. Average daily high temperature in May is about 14 degrees above zero. On average, Velingrad has 24 rainy, 6 sunny, and 1 partly cloudy day in May. The rains are usually heavy. May as well as February, March, April, and December is considered the most uncomfortable time to visit Velingrad.