The average annual temperature in Jiangxi Province is about 65438 08℃. The annual average temperature in northeast Jiangxi, northwest Jiangxi and along the Yangtze River is slightly lower, which is 16℃-27℃. Binhu, middle and lower reaches of Ganjiang River, Fuhe River, Shui Yuan area and mountainous area in southwest Jiangxi are between 17℃ and 18℃. Fuzhou, southern Ji 'an and middle reaches of Xinjiang are between 18℃ and 19℃. Gannan basin has the highest temperature, about 65438 09℃ to 20℃. In the whole year, the extreme maximum temperature in the whole province has little difference between north and south, even higher in the north and lower in the south, but almost all of them are close to or exceed 40℃, and the daily maximum temperature in some counties and districts has reached 44.9℃. The extreme minimum temperature is quite different between north and south: in most areas of Jiujiang, it is between-12℃ and-14℃, and in some counties, the extreme minimum temperature is-18.9℃; The temperature in southern Jiangxi is about -5℃, and in other parts of the province it is generally between -7℃ and-12℃.
The total annual sunshine radiation in Jiangxi is 97 kcal to 1 14.5 kcal per square centimeter; Duchang county is the most, and Tonggu County is the least. The annual average sunshine hours are 1473.3 hours to 2077.5 hours; Duchang county is the most, and Chongyi County is the least.
Jiangxi is rainy. 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 will bring showers to Jiangxi, alleviate the drought and reduce 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.
Except Lushan Mountain, the annual average wind speed in the whole province ranges from 1 m/s to 3.8m/s, with Dexing City being the smallest and Xing Zi County the largest. The average windy day ranges from 0.5 days to 28.5 days, with Yihuang County being the smallest and Xing Zi County the largest. Poyang Lake, Ganjiang River, lower reaches of Fuhe River, mountain tops and canyons are rich in wind energy resources, with an average annual wind speed of 3 meters to 5 meters per second.
The main natural disasters in this province are cold damage, flood, drought and freezing damage, as well as short-lasting high temperature disasters.