Climatic types and characteristics of Haikou

Haikou city is located in the northern edge of the low-latitude tropical region and belongs to the tropical maritime monsoon climate. Haikou is warm in winter and not hot in summer, with evergreen seasons and warm and comfortable. The sunshine time is long all year round, and the radiation energy is large. The annual average sunshine hours are more than 2000 hours, and the solar radiation can reach 1 1 to 120000 kcal. The annual average temperature is 24.3℃, the highest average temperature is about 28℃, and the lowest average temperature is about 18℃. The annual average precipitation is 2067mm, the annual average evaporation is 1834mm, and the average relative humidity is 8 1.7%. The annual wind direction is mainly southeast wind and northeast wind, with an average annual wind speed of 3.4m/s.