May in Steamboat Springs is the rainiest month of the year. In May, the weather in Steamboat Springs is typically warm. Average daily high temperature in May is about 10 degrees above zero. On average, Steamboat Springs has 20 rainy, 7 sunny, and 4 partly cloudy days in May. The rains are usually moderate. May as well as March and April is considered the most uncomfortable time to visit Steamboat Springs.