In May, the weather in Qinhuangdao is typically warm. Average daily high temperature in May is about 22 degrees above zero. On average, Qinhuangdao has 14 sunny, 13 partly cloudy, 3 cloudy, and 1 rainy day in May. The rains are usually light. May as well as September is considered the most comfortable time to visit Qinhuangdao.