Climate
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Updated: 2004-05-27 09:43

Hunan has a humid continental and subtropical monsoon climate. It has average annual sunshine of 1,300-1,800 hours, annual average temperature is 16°C-18°C, a frost-free period of 260-310 days, and a mean annual precipitation of 1,200-1,700 mm.

Its climate has three characteristics: first, it has abundant sunshine, heat and water resources, and they reach their peak synchronously. During the period from April to October, the total radiation amount is 70-76 percent of the whole year, and rainfall accounts for 68-84 percent of the total. Second, there are distinct seasonal climate changes, with a cold winter and hot summer. The temperature always changes in spring, but always declines abruptly in the autumn. There is much rainfall in spring and summer, while drought always appears in autumn and winter. Third, areas with an abruptly changeable climate are surrounded by mountains in three directions, especially in the mountainous regions in west and south Hunan.

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