June in Changzhou is the cloudiest month of the year. In June, the weather in Changzhou is typically warm. Average daily high temperature in June is about 27 degrees above zero. On average, Changzhou has 18 rainy, 7 cloudy, 3 sunny, and 2 partly cloudy days in June. The rains are usually heavy. June as well as July and August is considered the most uncomfortable time to visit Changzhou.