The minimum temperature in Hainan in winter is above 10 degrees and the maximum temperature is around 25 degrees, and there is no winter in the climate.

The average temperature in winter is 18 degrees Celsius ~ 23 degrees Celsius. The average temperature during the day is 23 ℃, wearing cotton and linen fabric shirts, thin long skirts, thin T-shirts and other cool and breathable clothes; the average temperature at night is 18 ℃, wearing a single layer of cotton and linen fabric short suits, T-shirts, thin denim shirts and pants, casual wear, professional suits and other comfortable clothes.

Hainan is located in the northern edge of the low-latitude tropics, belonging to the tropical monsoon climate. There is no severe cold in winter and no scorching heat in summer, and the four seasons are evergreen, warm and comfortable. Year-round long hours of sunshine, radiation energy, the average annual sunshine hours of more than 2,000 hours, the amount of solar radiation up to 11 to 12 million calories.

The average annual temperature is 24.3℃, with the highest average temperature around 28℃ and the lowest average temperature around 18℃. The average annual precipitation is 2,067 millimeters, the average annual evaporation is 1,834 millimeters, and the perennial wind direction is dominated by the southeast and northeast winds.

On the warmest winter is Lingshui, Sanya, Ledong, Baoting, the four cities and counties connected to the piece. The reason for this division is mainly due to the unique topography on Hainan Island.

In the central part of Hainan Island, there is the famous Wuzhishan Mountain range, its highest peak reaches more than 1800 meters, higher than the first of the Five Mountains, Mount Tai, and Wuzhishan Mountain range horizontally through most of the south-central part of Hainan Island, every time the cold air from the north south to Hainan Island, arrived at the Wuzhishan Mountain range will be intercepted after.

So in winter, the weather on Hainan Island temperature often appear very obvious polarization, located in the north of Haikou often temperature than the south of Sanya temperatures lower than five or six degrees, which is the main reason is because of the Five Finger Mountains in the middle of the block.