It has been raining in the south. Jiangxi is rainy, and it has been rainy in summer in the south. The average annual precipitation1341mm ~1940 mm is generally characterized by more in the south and less in the north, less in the east and more mountain basins. The average annual precipitation in Wuyishan, Huaiyu Mountain and Jiuling Mountain is as high as 1.800 mm to 2000 mm, while the average annual precipitation in Poyang Lake and the areas along the river north of Ji Tai Basin is about 1.350 mm to 1.400 mm, and most other areas are in 1.500 mm to/kloc. Spring is warm and cold, and it rains continuously. Generally, after April, the province has entered the rainy season. May and June are the periods with the most precipitation in the whole year, with the average monthly precipitation ranging from 200 mm to 350 mm and the maximum reaching over 700 mm. During this period, there is a rainstorm or heavy rain, with the rainstorm intensity ranging from 50 mm to 100 mm, and even reaching 300 mm to 500 mm at the maximum. In July, the rain belt moved northward, the rainy season ended and the temperature rose sharply. The whole province has entered a sunny and hot period, with summer drought and autumn drought connected. The typhoon landing from the southeast sea brought showers to Jiangxi, eased the drought and reduced the heat. In addition to the uneven seasonal distribution, the annual variation of precipitation is also quite different, which can reach more than twice the minimum value in the most years.