What climate type does De 'an belong to?

Dean county belongs to subtropical monsoon climate.

Dean County is a county under the jurisdiction of Jiujiang City, Jiangxi Province. Jiangxi province is located in the south of Qinling-Huaihe River. Qinling-Huaihe River is the dividing line between temperate monsoon climate and subtropical monsoon climate in China, with temperate monsoon climate in the north and subtropical monsoon climate in the south. Therefore, Dean County belongs to subtropical monsoon climate.

Subtropical monsoon climate is caused by the difference of thermal properties between land and sea, and its climate characteristics are high temperature and rainy in summer and mild and little rain in winter.

As far as Dean County is concerned, the local climate is generally characterized by warm and humid, abundant but uneven rainfall, rainy in the first half of the year and abundant sunshine in the second half. Chun yin is hot in summer, dry in autumn and cold in winter, with four distinct seasons.

1. Temperature: annual average temperature 16.8℃, coldest in June, average temperature 4. 1℃, extreme minimum temperature-1.2℃, hottest in July, with average temperature 28.8℃ and extreme maximum temperature 40. The average daily temperature is stable. Usually, the growth period of double-cropping rice is about 16℃-20℃. During this period, the active accumulated temperature in the hilly and plain areas in the central and southeastern regions was 4100℃-4,600℃, and in the low mountainous areas in the northwest region was 3,550℃-4,099℃. The average annual rainless period was 248 days, with the longest being 248 days.

2. Sunshine: The total solar radiation in the whole year is 108.06 kcal/cm2, the highest value of daily radiation is 14.06 kcal/cm2 in July, the lowest value is 5.78 kcal/cm2 in June, and the annual average sunshine hours are1878.6h..

3. Precipitation: annual average rainfall 1354. 1mm, annual average precipitation days131-kloc-0/46 days. There is little difference in the regional distribution of precipitation in the county, but it changes greatly every year, which is prone to droughts and floods. Rainfall is concentrated from April to June.

4. Disastrous weather: drought, flood, cold in spring, little cold, cold dew wind, freezing injury, strong wind, hail and so on. Summer drought, autumn drought and April-June floods are the most harmful to agriculture.