May in Chemul'ga is the rainiest month of the year. In May, the weather in Chemul'ga is typically warm. Average daily high temperature in May is about 20 degrees above zero. On average, Chemul'ga has 21 rainy, 9 sunny, and 1 partly cloudy day in May. The rains are usually heavy. May as well as January, February, March, and December is considered the most uncomfortable time to visit Chemul'ga.