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Sanjiang, China
Hainan · China
Sanjiang is a small city in Hainan, China with a population of 14,147. Elevation: 36 ft (11 m). Average temperature: 76°F (24°C).
Data updated June 2026
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About Sanjiang
Sanjiang is a town in Meilan District, in the southeastern suburbs of Haikou, Hainan, People's Republic of China, and is located 16 kilometres (9.9 mi) southeast of Haikou Meilan International Airport. As of 2011, it has one residential community (社区) and eight villages under its administration.
People
Climate
| Population | 14,147 |
| Population Density | 40 / sq mi |
| Elevation | 36 ft (11 m) |
| Coordinates | 19.8806°, 110.6010° |
| Timezone | Asia/Shanghai |
| Country | 🇨🇳 China |
| State / Province | Hainan |
| Average Temperature | 76°F (24°C) |
| January Average | 64°F (18°C) |
| July Average | 84°F (29°C) |
| Annual Precipitation | 71.0 inches (1,804 mm) |
| Annual Snowfall | 0.0 inches (0 cm) |
About Sanjiang
Sanjiang is a small city in China (Hainan) with a population of 14,147. The city sits at an elevation of 36 feet (11 meters) above sea level. The average annual temperature is 76°F (24°C). Temperatures range from 64°F in January to 84°F in July. Annual precipitation averages 71.0 inches. The timezone is Asia/Shanghai.
Climate in Sanjiang
Sanjiang has an average annual temperature of 25.3°C (78°F). The hottest month is Jun (29.7°C), the coldest is Jan (18.6°C). Average annual precipitation is 1766 mm.
Temperature
| Annual Average | 76.0°F |
| 41% above China avg | |
| January Average | 64°F (18°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 278 days/yr |
Geography
| Elevation | 36 ft (11 m) |
| Area | 358.5 sq mi (928.6 km²) |
| Population Density | 40/sq mi |
| Coordinates | 19.8806°N, 110.6010°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Nearby Volcanoes
1 volcano within 200 km. Closest: Hainan Volcanic Field (39 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Hainan Volcanic Field | Pyroclastic cone(s) | 196 m (643 ft) | 1933 | 39 km |
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 64°F (18°C) | 0.9 in | Coldest, Driest |
| February | 66°F (19°C) | 1.4 in | |
| March | 72°F (22°C) | 1.9 in | |
| April | 78°F (25°C) | 3.8 in | |
| May | 82°F (28°C) | 7.3 in | |
| June | 84°F (29°C) | 9.7 in | |
| July | 84°F (29°C) | 9.7 in | Warmest |
| August | 83°F (28°C) | 10.7 in | Wettest |
| September | 81°F (27°C) | 9.9 in | |
| October | 78°F (25°C) | 8.1 in | |
| November | 72°F (22°C) | 2.9 in | |
| December | 67°F (19°C) | 1.3 in |
Sanjiang has a seasonal temperature swing of 20°F / from 64°F in January to 84°F in July. Total annual precipitation is 67.6 inches, with August being the wettest month (10.7") and January the driest (0.9").
Museums in Sanjiang
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Haikou Museum | ||||
| Hainan Museum | ||||
| Hainan Museum | ||||
| Temple of Five Lords | ||||
| Temple of Five Lords |
Libraries in Sanjiang
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| 校图书馆 | 0.0 | |||||
| 海南省图书馆 | 0.0 | |||||
| 海南省图书馆绿地分馆 | 0.0 |
Farmers Markets in Sanjiang
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| 新埠农贸市场 | |||||
| 美苑农贸市场 | |||||
| 靈山農貿市場 |
Stadiums & Teams in Sanjiang
| Team | League | Division |
|---|---|---|
Airports Near Sanjiang
3 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Haikou Meilan International Airport | HAK | Large Airport |
| Qionghai Bo'ao Airport | BAR | Medium Airport |
| Haikou Jiazi Airport | — | Small Airport |
Quick Facts
🇨🇳 About China
Public Holidays in China
6 public holidays this year
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Get ReportFrequently Asked Questions About Sanjiang
What is the population of Sanjiang?
Sanjiang has a population of 14,147 residents and is located in China. The population density is 40 people per square mile, spread across 358.5 square miles.
What is the weather like in Sanjiang?
Sanjiang has a warm climate with an average annual temperature of 76°F (24°C). Winter temperatures average 64°F in January, while summers reach an average of 84°F in July. The area receives 278 sunny days per year, well above the national average of 205. Annual rainfall totals 71.0 inches.