What's the lowest temperature in Hainan?

According to the statistics of meteorological records, the coldest time in Hainan Island was in the winter of 1964, and the lowest temperature reached MINUS 3 degrees. Of course, this lowest temperature appears in the northern part of Hainan Island, while the lowest temperature in the southern part of Hainan Island (that is, the area south of north latitude 18 degrees), including Sanya City, Lingshui County, Baoting County, Ledong County and the area south of Wuzhishan, reaches above zero 12 degrees.

Hainan Island is located in the northern edge of the tropics and belongs to the tropical monsoon climate. It has always been known as a "natural greenhouse". It has a long summer and no winter. The annual average temperature is 22~27℃, and the accumulated temperature of 10℃ is 8200℃. The coldest January temperature is still 17 ~ 24℃, and the annual illuminance is 1750.

Hainan Island is an ideal breeding base in South China because of its early spring, rapid temperature rise, large daily temperature difference, frost-free all year round and warm winter.

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Hainan province has abundant rainfall, with annual precipitation1000 mm-2,600 mm and average annual precipitation 1639mm, with obvious rainy season and less rainy season. May ~ 10 is the rainy season every year, and the total precipitation is about 1500mm, accounting for 70 ~ 90% of the total annual precipitation.

The main rain sources are frontal rain, thermal thunderstorm and typhoon rain. The rainy season is from June 1 1 to April of the following year, accounting for only 10 ~ 30% of the annual precipitation. Drought often occurs in the rainy season.

Reference to the above content: Baidu Encyclopedia-Hainan Province