The smallest prefecture-level city in China
Sansha City is one of the four prefecture-level cities under the jurisdiction of Hainan Province. 20 12 was established with the cancellation of the offices in Xisha Islands, Nansha Islands and zhongsha islands. Located in the south-central South China Sea and the south of Hainan Province, it governs the islands and reefs of Xisha Islands, zhongsha islands and Nansha Islands and their sea areas, with a total area of more than 2 million square kilometers, including more than 20 square kilometers of land area (including land reclamation in the southwest).
As of 20 15, there are more than 2,500 permanent residents (excluding permanent military police) and 448 registered residents. The municipal government is located in Yongxing Island, Xisha. Sansha City is a prefecture-level city with the southernmost geographical location, the largest total area, the smallest land area and the least population in China.
climate
Sansha has a tropical maritime monsoon climate. Directly exposed to the sun twice a year, the annual total solar radiation is 140 kcal/cm2. It is summer weather all year round, and the heat and temperature are the highest in China, but there are few hot summers due to the adjustment of the ocean.
From June to March in 65438, the northeast monsoon prevailed, and from May to September, the southwest monsoon prevailed, with an average wind speed of about 6 meters per second. There are 6-7 typhoons every year on average, with the maximum exceeding 10, of which 70% come from the western Pacific and 30% from the South China Sea itself. July ~ 10 is the typhoon peak season every year.
The annual average rainfall is between 1500 ~ 1900 mm, but the time distribution is uneven. The rainy season lasts from 65438+February to May of the following year, and from June to165438+1October, so there are only two seasons in a year, the former is dry season and the latter is rainy season.