Climatic characteristics of southern China.

(1) equatorial monsoon climate. Located in the South China Sea Island area south of north latitude 10 degrees. The annual average temperature is above 26℃, the annual accumulated temperature reaches 9000℃, the temperature changes little, and the rainfall distribution in the four seasons is relatively uniform.

(2) Tropical monsoon climate. Including southern Taiwan Province Province, Leizhou Peninsula and Hainan Island. Annual accumulated temperature >; =8000℃, the average temperature in Leng Yue is not lower than 16℃, the annual extreme minimum temperature is not lower than 5℃ on average for many years, and the extreme minimum temperature is generally not lower than 5℃, and there is no frost all year round.

(3) Subtropical monsoon climate. North China and South China belong to this type of climate. The annual accumulated temperature is 4500℃~ 8000℃, and the average temperature in Leng Yue is -8℃~ 0℃, which is a transitional zone between tropical and temperate zones, and the summer temperature is quite high (average temperature >; =25℃ for at least 6 days, that is, 30 days), and the temperature is quite low in winter.