How many kilometers is Hainan Island around the island?

Hainan Island is 820 kilometers around the island.

Hainan is located at the southernmost tip of China, and it is in the position of "chicken feet" like China's "rooster" on the map. On the whole, Hainan Island looks like an oval Sydney from northeast to southwest. It is about 290 meters long from northeast to southwest and 180 kilometers wide from northwest to southeast. It is the second largest island in China after Taiwan Province Province.

The periphery of Hainan Island is low and flat, and the middle is high, with Wuzhishan and Ying Ge Ridge as the uplift core and gradually descending to the periphery. The annular layered landform is composed of mountains, hills, platforms and plains, and the cascade structure is obvious. The topographical features of Hainan Island are: multi-layered topography, well-developed platform topography, obvious volcanic topography, and typical mangrove coral reefs are fully developed on the island.

Extended data:

Climatic characteristics of Hainan Island;

The temperature trend in Hainan is generally influenced by latitude, and the temperature decreases with the increase of latitude. In addition, it is also influenced by the topography of Hainan. There are two mountains in the south-central part of Hainan Island, Limu Mountain and Wuzhishan Mountain. In winter and spring, the north wind invades south, and there are no mountains in northern Hainan. The winter wind blows straight and deep, and there is a quasi-static front weather with continuous rainfall, which is cold and humid.

In the south of Hainan Island, due to the barrier effect of mountains, the influence of winter wind on the southern region has been alleviated to some extent. Therefore, when the northern part of Hainan is deeply troubled by rainy weather, there are not only warm weather in the south, but also precious winter sunshine.

Compared with 65438+ 10, the average temperature in July has little difference. In summer, the whole island is generally hot, except for the cool temperature in the central mountainous area, there is little difference in other areas.

The four seasons in Hainan Island are not clear, so it is not particularly hot in summer and not particularly cold in winter. The annual temperature is small and the annual average temperature is high. In fact, the hottest time in Hainan Island should be from April to July. After July, Hainan Island will enter the rainy season, with occasional typhoons and more rain. It will be much cooler after the rain. In fact, it often rains in Hainan, but the three inland cities say that it is too hot to stand and it will not be particularly hot.

Baidu Encyclopedia-Hainan Island