What's the temperature in Hainan all year round?

The average temperature in Hainan is 18-24℃ in spring, 26-38℃ in summer, 26-33℃ in autumn and 14-24℃ in winter. Hainan is located on the northern edge of the tropics and has a tropical monsoon climate. There is no winter in summer here, and the average annual temperature is 22-27℃. The coldest January temperature is still 14-24℃, the annual illumination is 1750-2650 hours, and the illumination rate is 50-60%.

Haikou, the capital of Hainan Province, is a special economic zone and a free trade pilot zone in China. Located in the south of China, it is bordered by Qiongzhou Strait in the north, Guangxi and Viet Nam in the west, Taiwan Province Province in the South China Sea in the east, and the Philippines, Brunei and Malaysia in the southeast and south respectively. The outline of Hainan Island looks like an oval Sydney, with low terrain around and towering in the middle. It is a dome-shaped mountainous terrain, with Wuzhishan and Ying Ge Ridge as the uplift core, and is composed of mountains, hills, terraces, plains and other landforms.