Changzhou entered Mei in 2022.

The plum blossom time in Changzhou is around June 8, and the average length of plum rain is 30 days.

Meiyu, also known as mildew rain, refers to the climate phenomenon of continuous rainy days in June and July in the middle and lower reaches of the Yangtze River, Taiwan Province Province, south-central Japan and South Korea, and is named because it coincides with the maturity of plums in Jiangnan area. This period is called Meiyu season, and the beginning and end of Meiyu in different years and the intensity of Meiyu are very different.

Meiyu is a unique weather and climate phenomenon in the middle and lower reaches of the Yangtze River in early summer. It is the result of the stagnation of the Yangtze River basin during the northward movement of the main rain belt in eastern China. Meiyu is over and midsummer is coming. This seasonal change and the movement of rain belt with the seasons form a certain climate law, but the annual plum rain is not completely consistent, with great interannual changes.