July in Yancheng is the rainiest, the cloudiest, and the hottest month of the year. In July, the weather in Yancheng is typically hot. Average daily high temperature in July is about 30 degrees above zero. On average, Yancheng has 25 rainy, 5 sunny, and 1 partly cloudy day in July. The rains are usually heavy. July as well as August is considered the most uncomfortable time to visit Yancheng.