July in Hangzhou is the rainiest and the hottest month of the year. In July, the weather in Hangzhou is typically hot. Average daily high temperature in July is about 32 degrees above zero. On average, Hangzhou has 24 rainy, 6 sunny, and 1 partly cloudy day in July. The rains are usually heavy. July as well as June, August, and September is considered the most uncomfortable time to visit Hangzhou.