July in Dêqên is the rainiest and the cloudiest month of the year. In July, the weather in Dêqên is typically warm. Average daily high temperature in July is about 15 degrees above zero. On average, Dêqên has 30 rainy and 1 cloudy day in July. The rains are usually heavy. July as well as May, June, August, and September is considered the most uncomfortable time to visit Dêqên.