May in Jinchang is the cloudiest month of the year. In May, the weather in Jinchang is typically warm. Average daily high temperature in May is about 21 degrees above zero. On average, Jinchang has 13 partly cloudy, 9 cloudy, 8 sunny, and 1 rainy day in May. The rains are usually light. May as well as June, July, August, and September is considered the most comfortable time to visit Jinchang.