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Haikou Weather and Climate

Haikou, which lies just in the fringe of north low latitude tropical area, has a monsoon tropical marine climate with an average annual temperature of 20C (68F). The feature of weather in Haikou is warm in spring with insufficient rain, hot in summer with an abundance of rain, excessive typhoon and torrential rain in autumn, chill air current brings blast cold when it attacks in winter.

The spring is warm with almost drought conditions but the high summer temperatures bring heavy rain in their wake. Autumn is a season of typhoons and rain storms. The winter is quite cold by contrast.

The annual sunshine time average is more than 2000 hours.The solar radiation energy has an annual average amount of which can be up to 110,000 to 120,000 calories.The average temperature is 23. 8 degrees Centigrade with the supreme temperature on average is about 28 degrees Centigrade and the minimum is about 18 degrees Centigrade.

The average precipitation is 1664 mm., the rainfall of day is above 0.1 mm on average, the number of wet day on average is of more than 150. 1834 mm. The annual average evaporation capacity is 1834 mm, and the relative humidity is 85%. Northeastern and east wind dominates throughout the year; the yearly average wind speed is 3. 4 meters per second.

As high temperatures warm the waters of the South China Sea from June to September tropical storms (hurricanes), known here as typhoons, are driven toward the coast and Haikou can experience force 8 storms that cause considerable problems for traffic.

From March to May, Spring, enjoys warm weather and less rainfall. After March the average temperature increases to over 20°C (68°F).The rainfall is rare and the average temperature in the spring is around 24°C (75.2°F). Wearing T-shirts and jeans is ok but we recommend that you bring a jacket.

Summer is also known as the rainy season in Haikou. From June to August,Summer is very hot and rainy in Haikou. The average temperature is around 28 °C (82 °F) and the highest temperature can reach over 38 °C (100 °F) . We also recommend wearing a T-shirt and shorts.SAn umbrella, sunglasses, and sunscreen are necessities in Haikou during the summer.

Every summers and autumns there will be tropical storms and typhoons. The average temperature is around 25 °C (77 °F) during the autumn. T-shirts and normal pants are suitable at this time of the year.

Not many cities in the world enjoy a warm winter, and Haikou is one of them. Sometimes when the cold air hits Hainan Island, the temperature in Haikou falls a bit. But most of the time the weather during the winter is warm with an average temperature of around 18 °C (64 °F). Wearing long-sleeve shirts and jeans is fine, but please bring a coat or jacket.

The best time to visit Haikou:
Between November and the following April is the best time to travel.The rainy season is from May to October for the weather being moist and the precipitation reaching a peak during September.