【正文】
the terrain is long and narrow in jiangxi, the northsouth differences in climate, but overall is age season short and summer long. the province39。s climate is warm, sunny, plenty rainfall, frostfree period is long, is a subtropical humid climate, is very conducive to crop growth.in jiangxi province, the annual average temperature 18 ℃ or so. jiangxi northeast, northwest of jiangxi and the annual average temperature slightly low along the river, about between 16 ℃ to 27 ℃。 lakeside, middle and lower reaches of ganjiang, caresses river water area, yuan and ganxina mountains around 17 ℃ between 18 ℃。 fuzhou, gian areas and southern xinjiang river middle reaches about between 18 ℃ to 19 ℃。 gannan is the highest temperature in the basin, which is about 19 ℃ and 20 ℃ between. year entire province, north and south, extreme maximum temperature difference, or are slightly low phenomenon from north to south, but almost close to or more than 40 ℃, inspanidual counties have been reached daily maximum temperature ℃. most extreme minimum temperature is the northsouth differences: jiujiang area between 12 ℃ to 14 ℃, inspanidual counties also appeared, the lowest extreme minimum temperature of ℃。 while the jiangxi 5 ℃ or so, other parts of the province general between 7 ℃ to 12 ℃.annual average sunshine in jiangxi total radiation of 97 kcal/square centimeter to kcal。 the most duchang county, tonggu minimum. annual average sunshine hours for hours to hours。 in duchang county at most, least in yixian.jiangxi rainy. average annual rainfall of 1341 mm to 1940 mm, generally characterized by less south more north, east west, mountainous area more basin is less. wuyi mountain, mt. jade and nine ridge mountain area up to 1800 mm to 20xx mm, annual average rainfall along the yangtze river to the north of poyang lake and jitai basin, annual average rainfall of about 1350 mm to 1400 mm, more than in other parts of between 1500 mm to 1700 mm. annual rainfall season difference is very big. qiu dong season generally sunny little rain, most parts of the whole is given priority to with wet weather in the fall and winter of 1977, is a rare phenomenon. in warm spring cold, drizzly, general in april after the province has entered the meiyu periods. five, june for annual precipitation in most times, the average monthly precipitation over 200 mm to 350 mm, the highest can reach more than 700 mm. this period more heavy rain or heavy rain, heavy rain intensity for daily rainfall of 50 mm to 100 mm, maximum even can reach more than 300 mm to 500 mm. july rain belt moved to end of the rainy season, the temperature rise sharply, the province into a period of sunny hot, summer drought qiuhan is linked together, and from the southeast of landing typhoon will bring rain to jiangxi, alleviate drought, reduce the heat. precipitation in addition to the seasonal distribution is very uneven, also quite wide, interannual last year can reach the other year more than double.in addition to the lushan mountain, annual average wind speed of 1 meter per second per second to meters, the minimum of dexing city, xingzi county. annual average wind day days to days, at least in yihuang county, xingzi county for at most. poyang lake shore, the gan, caresses river downstream and high mountain and valley area of wind energy resources are rich, the annual average wind speed in 3 to 5 meters per second per second.the provincial major natural disasters are cold injury and floods, drought and cold, and relatively short duration of high temperature damage, etc.