June in Jiujiang is the rainiest and the cloudiest month of the year. In June, the weather in Jiujiang is typically hot. Average daily high temperature in June is about 29 degrees above zero. On average, Jiujiang has 18 rainy, 8 partly cloudy, 3 sunny, and 1 cloudy day in June. The rains are usually heavy. June as well as January, February, March, and July is considered the most uncomfortable time to visit Jiujiang.