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Climate in Hainan Dao



Hainan has a tropical moist monsoonal climate. Its annual temperature change is less than 15 °C (27.0 °F). The coldest months are January and February when the temperatures drop to 16 to 21 °C (61 to 70 °F); the hottest months are July and August, and the temperatures are 25 to 29 °C (77 to 84 °F). Except for the mountainous regions in the central part of the island, the daily average temperature in Hainan is above 10 °C (50 °F), and the integrated temperature during the growing season of the crops reaches eight thousand to nine thousand degree Celsius-days. The summer in the north is hot and, for more than 20 days in a year, the temperature can be higher than 35 °C (95 °F). The average annual precipitation is 1,500 to 2,000 millimetres (59 to 79 in) and can be as high as 2,400 millimetres (94 in) in central and eastern areas, and as low as 900 millimetres (35 in) in the coastal areas of the southwest. The eastern part of Hainan lies in the path of typhoons, and 70% of the annual precipitation is derived from typhoons and the summer rainy season. Major flooding occurs due to the typhoons and they can cause many problems for the local residents