Extreme weather, record 197 1 annual minimum 10.4 degrees.

Haikou is located between north latitude 19 3 1'~ 20 04' and east longitude11007' ~1042', with a tropical monsoon climate, with an average annual temperature of 23.9℃ in July.

Extended data:

Haikou is located in the northern edge of the tropics and belongs to the tropical monsoon climate. It has always been known as a "natural greenhouse". Summer is long without winter, the annual average temperature is 22~27℃, and the accumulated temperature greater than or equal to 10℃ is 8200℃. The coldest temperature in January still reaches 17 ~ 24℃, and the annual illumination is 1750.

Sufficient light and temperature, great photosynthetic potential.

Hainan Island is an ideal breeding base in South China because of its early spring, rapid temperature rise, large daily temperature difference, frost-free all year round and warm winter.

Hainan province has abundant rainfall, with annual precipitation1000 mm-2,600 mm and average annual precipitation 1639mm, with obvious rainy season and less rainy season.

May ~ 10 is the rainy season every year, and the total precipitation is about 1500mm, accounting for 70 ~ 90% of the total annual precipitation. The main rain sources are frontal rain, thermal thunderstorm and typhoon rain. The rainy season is 1 1 until April of the following year, accounting for only 10 of the annual precipitation.