July in Huainan is the rainiest and the hottest month of the year. In July, the weather in Huainan is typically hot. Average daily high temperature in July is about 31 degrees above zero. On average, Huainan has 21 rainy, 8 sunny, 1 cloudy, 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 Huainan.