Sanya Climate & Weather

Sanya City is located at the southernmost tip of Hainan Island, on the tropical northern edge south of the Tropic of Cancer. It is greatly influenced by maritime climate and belongs to the tropical maritime monsoon climate. There is no severe cold in winter and no extreme heat in summer, and it is warm all year round with evergreen trees throughout the year. The average temperature from 1991 to 2020 was 26.5 ℃, with the highest average temperature of 29.5 ℃ in June and the lowest average temperature of 22.3 ℃ in January. The extreme maximum temperature was 37.5 ℃, and the extreme minimum temperature was 5.1 ℃. Sanya City has abundant rainfall throughout the year, with an average annual rainfall of 1279 millimeters, a maximum annual rainfall of 1871 millimeters, and a minimum annual rainfall of 747 millimeters. The dry and wet seasons are obvious, with the rainy season from May to October each year, accounting for 91.7% of the total annual rainfall; The dry season is from November to April of the following year, with a rainfall of 8.3% of the entire year. The annual average relative humidity is 79%, and the annual evaporation is 1950.7 millimeters. The sunshine duration is long, with an average of 2588 hours of sunshine per year along the coast. There is no frost throughout the year, and the annual accumulated temperature is relatively high. The accumulated temperature of ≥ 10 ℃ is about 9700 ℃.