July in Kaifeng is the rainiest and the hottest month of the year. In July, the weather in Kaifeng is typically hot. Average daily high temperature in July is about 32 degrees above zero. On average, Kaifeng has 12 sunny, 10 rainy, 8 partly cloudy, and 1 cloudy day in July. The rains are usually heavy. July as well as January, February, August, and December is considered the most uncomfortable time to visit Kaifeng.