Traditional Culture Encyclopedia - Weather forecast - Why does it often rain in Hainan?
Why does it often rain in Hainan?
Hainan is the place with the most tropical marine climate characteristics in China. It is warm and hot all year round, with abundant rainfall, obvious dry and wet seasons, strong normal wind, frequent tropical storms and typhoons and diverse climate resources. The west, south and zhongsha islands have a tropical maritime climate, with no summer and no winter, and the average annual temperature is 26.5 degrees Celsius. There is abundant rainfall in most parts of Hainan Island, with an average annual rainfall of 1600 mm, rainy in the east and dry in the west. The rainy center is located in the eastern mountainous area of Central China, with an annual rainfall of about 2000-2400 mm, and the annual rainfall in the western rainless area is about 1000- 1200 mm, with uneven seasonal distribution. It is dry in winter and spring, and the dry season lasts for 6 to 7 months from 1 1 to April and May of the following year. There is a lot of rainfall in summer and autumn. May to 10 is the rainy season. The total rainfall in rainy season is about 1500mm, accounting for 70-90% of the annual rainfall. Rain sources include frontal rain, thermal thunderstorm and typhoon rain. The humidity in Hainan Island is high throughout the year, and the annual average water vapor pressure is about 23 hectopascals (Qiongzhong) to 26 hectopascals (Sanya). The central and eastern coastal areas are humid areas, the southwest coastal areas are semi-dry areas, and other areas are semi-humid areas.
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