July in Hengyang is the hottest month of the year. In July, the weather in Hengyang is typically hot. Average daily high temperature in July is about 31 degrees above zero. On average, Hengyang has 24 rainy, 6 sunny, and 1 partly cloudy day in July. The rains are usually heavy. July as well as January, March, April, and May is considered the most uncomfortable time to visit Hengyang.