May in Brașov is the rainiest month of the year. In May, the weather in Brașov is typically warm. Average daily high temperature in May is about 16 degrees above zero. On average, Brașov has 21 rainy, 9 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 Brașov.