June in Hangzhou is the cloudiest month of the year. In June, the weather in Hangzhou is typically warm. Average daily high temperature in June is about 27 degrees above zero. On average, Hangzhou has 22 rainy, 4 cloudy, 3 sunny, and 1 partly cloudy day in June. The rains are usually heavy. June as well as July, August, and September is considered the most uncomfortable time to visit Hangzhou.