May in Dêqên is the windiest month of the year. In May, the weather in Dêqên is typically cold. Average daily high temperature in May is about 10 degrees above zero. On average, Dêqên has 21 rainy, 7 partly cloudy, 2 cloudy, and 1 sunny day in May. The rains are usually heavy. May as well as June, July, August, and September is considered the most uncomfortable time to visit Dêqên.