Hainan, is on the South China Sea, a bright pearl, is only the second largest island of Taiwan. Hainan province is China's land area of the smallest, the largest province of the marine area.
map
Hainan province is located in the southern China, located in the east latitude 108 ° 37 '~ 111 ° 05', latitude 3 ° 30 '~ 20 ° 18' 海南省位于中国最南端,位于东经108°37′～111°05′，北纬3°30'～20°18'
climate
The most suitable city China annual average temperature, annual average temperature  25.4 ℃.