What are the characteristics of Ganzhou's climate?

Ganzhou belongs to the southern edge of subtropical zone and has a typical subtropical monsoon humid climate. The four seasons are distinct, the light and heat are sufficient, the growing period is long, the temperature changes significantly, and the precipitation is abundant but unevenly distributed.

1, Ganzhou, referred to as "Qian" for short, also known as "Qian City" and "Gannan", is located in the south of Jiangxi Province, which is the southern gate of Jiangxi Province and the prefecture-level city with the largest area, the largest population and the largest number of counties and cities under its jurisdiction. ? Ganzhou is a sub-central city in Jiangxi Province, with four national economic and technological development zones and the first comprehensive bonded zone in the province. Ganzhou is a national rare metal industrial base and advanced manufacturing base, a red cultural inheritance and innovation zone, a famous red tourist destination, a regional comprehensive transportation hub, a demonstration zone for the revitalization and development of the former Central Soviet Area, and a regional modernization center city of the Great Passage of Jiangxi, Guangdong, Fujian and Hunan. Ganzhou metropolitan area is also one of the three metropolitan areas cultivated and developed in Jiangxi Province.

2. Ganzhou City is located in the south of Jiangxi Province in the east of China, on the upper reaches of Ganjiang River, in the transitional zone extending from the southeast coast to the central mainland, and it is an important channel from the mainland to the southeast coast. Ganzhou is adjacent to Sanming City and Longyan City in Fujian Province in the east, Meizhou City, Heyuan City and Shaoguan City in Guangdong Province in the south, Chenzhou City in Hunan Province in the west, and Ji 'an City and Fuzhou City in Jiangxi Province in the north. It is between 24 29' and 27 09' north latitude and113 54' ~ 65438+east longitude.

3. Four seasons climate characteristics in Ganzhou:

(1) Spring: rainy days and disasters. From March to May, cold and warm air flows frequently meet in southern Jiangxi, and the weather is changeable, sometimes cold and sometimes hot, with continuous rain. Once the cold and warm air currents are violently opposed, there may be severe weather such as thunderstorms, strong winds, hail and heavy precipitation. According to statistics, from March to May, the average number of rainy days in the city was 55 days, with a total rainfall of 628 mm, and there were 40 stations in severe weather such as gale, hail and rainstorm. There are many rainy days and heavy rains, and the frequency of disaster weather is the highest in all seasons. In addition, continuous low-temperature rain often occurs during spring sowing, which is unfavorable for early rice sowing and seedling raising.

(2) Summer: waterlogging first, then drought, less heat. In early summer, the whole city is in the southwest airflow on the edge of subtropical high, with sufficient water vapor. Encounter cold air, heavy rainfall, easy to concentrate. In June, the city's average rainfall was 254.3 mm, and the highest monthly rainfall 1968 reached 534.2 mm, the highest in the whole year. The average rainstorm 17 station this month is the main flood season in our city, which is the most prone to flood disasters. From July to August in midsummer, the highest temperature in the central basin during the day is generally above 36℃, but the temperature in the morning and evening is generally below 30℃. Although it is hot during the day, it is not so hot.

(3) Autumn: sunny and sunny. 10-165438+1about a week in the middle of October, it is often controlled by high pressure from north to south, with stable atmospheric stratification and fine weather. The monthly average rainy days are only 6-8 days, the monthly average temperature is 14-2 1℃, and the monthly average relative humidity is 70-80%, which is the least rainy season in the whole year.

(4) Winter: cold but not cold, with little rain and snow. The latitude in southern Jiangxi is low, and there are mountains in the north to stop cold air from driving directly south. It is late in winter and has little freezing damage. Often controlled by the dry and cold air mass in the north, few clouds and rain form. During the day, the sun is shining and the temperature is high; Radiation cooling at night, the temperature can drop below zero, forming frost and ice. When attacked by a strong cold wave, it can produce solid precipitation or freezing weather, but the probability is very small, and the average annual snowfall days are only 1-2 days.