Situated to the south of the Yangtze River, Jiujiang has a subtropical climate. The average annual temperature is 17C (62.6F).
Jiujiang Seasons & Travel Advice
The weather of January is the coldest with a mean temperature of about 5C (41F), and July is the hottest month with a mean temperature of about 29C (84.2F).
Since Jiujiang weather is sultry and rainy in summer and cold in winter, the best time to visit Jiujiang is in late spring and autumn.
However, the situation is different in Mt. Lushan, which has four distinct seasons. Therefore Jiujiang climate is pleasant to visit anytime, depending on your preference.