May in Breckenridge is the rainiest month of the year. In May, the weather in Breckenridge is typically cold. Average daily high temperature in May is about 5 degrees above zero. On average, Breckenridge has 25 rainy, 4 sunny, 1 snowy, and 1 partly cloudy day in May. The rains are usually heavy. May as well as July, August, and September is considered the most uncomfortable time to visit Breckenridge.