Haikou, China
Major city · Population 2.9M
Haikou is the 45th largest city in China with a population of approximately 2,873,358 people as of 2026. This makes it the 123rd largest city in the world, accounting for 0.20% of China's total population of 1.41B. Haikou is classified as a major city and operates in the Asia/Shanghai timezone. The average annual temperature is 25.3°C with 2,226 mm of rainfall per year. The city sits at an elevation of 12 meters above sea level.
Population
2,873,358
Global Rank
#123
Country Rank
#45
% of China
0.20%
Avg Temperature
25.3°C
Annual Rainfall
2,226 mm
Elevation
12 m
Timezone
Asia/Shanghai
Haikou on the Map
Climate in Haikou
Haikou's warmest month is Apr and the coldest is Dec. The wettest month is Sep with 501 mm of rainfall.
Average Monthly Temperature
Monthly Rainfall
China at a Glance
Country Population
1,408,280,000
Capital
Beijing
Region
Eastern Asia
Major Cities
640
GDP per Capita
$13,303
Life Expectancy
78.0 years
Urban Population
65.9%
Growth Rate
0.00%
Other Major Cities in China
Nearest Major Cities
Closest cities to Haikou with over 100,000 people
| City | Population | Distance |
|---|---|---|
| Xiuying | 290,000 | 7 km |
| Wenchang | 560,894 | 72 km |
| Qionghai | 528,238 | 89 km |
| Nada | 256,652 | 99 km |
| Zhanjiang | 1,400,709 | 133 km |
| Wanning | 545,992 | 137 km |
| Wuchuan | 104,168 | 164 km |
| Wuzhishan | 112,269 | 165 km |
Frequently Asked Questions
What is the population of Haikou?
The population of Haikou, China is approximately 2,873,358 people, making it the 123rd largest city in the world and the 45th largest in China.
Is Haikou the capital of China?
No, the capital of China is Beijing. Haikou is the 45th largest city in the country.
What is the climate like in Haikou?
Haikou has an average annual temperature of 25.3°C and receives 2,226 mm of rainfall per year. The warmest month is Apr and the coldest is Dec.
What timezone is Haikou in?
Haikou is in the Asia/Shanghai timezone.