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Sanmenxia, China
Henan · China
Sanmenxia is a major city in Henan, China with a population of 669,307. Elevation: 1,263 ft (385 m). Average temperature: 56°F (14°C).
Data updated June 2026
Discover Sanmenxia, China
Explore over 40 sections covering people, economy, housing, health, crime, climate, community, costs, trends, schools, colleges, hospitals, treatment centers, industries, museums, libraries, breweries, farmers markets, grocery stores, pharmacies, campgrounds, parks, trails, stadiums, ski resorts, daycare centers, nursing homes, churches, fire stations, cell towers, bridges, power plants, EV stations, prisons, radio stations, airports, police stations, post offices, Amtrak stations, superfund sites, UNESCO sites, and more.
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People
Climate
| Population | 669,307 |
| Population Density | 174 / sq mi |
| Elevation | 1,263 ft (385 m) |
| Coordinates | 34.7808°, 111.1929° |
| Timezone | Asia/Shanghai |
| Country | 🇨🇳 China |
| State / Province | Henan |
| Average Temperature | 56°F (14°C) |
| January Average | 31°F (-1°C) |
| July Average | 79°F (26°C) |
| Annual Precipitation | 23.0 inches (585 mm) |
| Annual Snowfall | 0.5 inches (1 cm) |
About Sanmenxia
Sanmenxia is a major city in China (Henan) with a population of 669,307. The city sits at an elevation of 1,263 feet (385 meters) above sea level. The average annual temperature is 56°F (14°C). Temperatures range from 31°F in January to 79°F in July. Annual precipitation averages 23.0 inches. The timezone is Asia/Shanghai.
Climate in Sanmenxia
Sanmenxia has an average annual temperature of 14.9°C (59°F). The hottest month is Jul (28.1°C), the coldest is Jan (0°C). Average annual precipitation is 499 mm.
Temperature
| Annual Average | 56.3°F |
| 4% above China avg | |
| January Average | 31°F (-1°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 294 days/yr |
Geography
| Elevation | 1,263 ft (385 m) |
| Area | 3,836.2 sq mi (9,935.8 km²) |
| Population Density | 174/sq mi |
| Coordinates | 34.7808°N, 111.1929°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 0.2 in | Coldest, Driest |
| February | 37°F (3°C) | 0.3 in | |
| March | 46°F (8°C) | 0.9 in | |
| April | 59°F (15°C) | 1.7 in | |
| May | 68°F (20°C) | 2.2 in | |
| June | 76°F (24°C) | 2.5 in | |
| July | 79°F (26°C) | 4.9 in | Warmest, Wettest |
| August | 77°F (25°C) | 3.6 in | |
| September | 68°F (20°C) | 3.7 in | |
| October | 57°F (14°C) | 2.0 in | |
| November | 45°F (7°C) | 0.9 in | |
| December | 34°F (1°C) | 0.2 in |
Sanmenxia has a seasonal temperature swing of 48°F / from 31°F in January to 79°F in July. Total annual precipitation is 23.0 inches, with July being the wettest month (4.9") and January the driest (0.2").
Colleges & Universities in Sanmenxia
| Institution | Type | Founded | Website |
|---|---|---|---|
| 河南科技大学应用工程学院 | College | - | , |
Schools in Sanmenxia
1 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| 三门峡市外国语高级中学 | - | - | - | - |
Museums in Sanmenxia
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| 中流砥柱博物馆 | ||||
| 虢国博物馆 |
Farmers Markets in Sanmenxia
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| 八一市场 |
Restaurants in Sanmenxia
1 restaurants within city radius - OpenStreetMap data
Train Stations in Sanmenxia
5 train stations within city radius - OpenStreetMap data
Bus Stations in Sanmenxia
1 bus stations within city radius - OpenStreetMap data
Gas Stations in Sanmenxia
5 gas stations within city radius - OpenStreetMap data
Banks in Sanmenxia
4 banks within city radius - OpenStreetMap data
Stadiums & Teams in Sanmenxia
| Team | League | Division |
|---|---|---|
Airports Near Sanmenxia
1 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Yuncheng Yanhu International Airport | YCU | Large Airport |
Quick Facts
Around Sanmenxia
Places within 5 km radius - OpenStreetMap data
🇨🇳 About China
Public Holidays in China
6 public holidays this year
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Get a comprehensive, print-ready PDF with all data for Sanmenxia.
Get ReportFrequently Asked Questions About Sanmenxia
What is the population of Sanmenxia?
Sanmenxia has a population of 669,307 residents and is located in China. The population density is 174 people per square mile, spread across 3,836.2 square miles.
What is the weather like in Sanmenxia?
Sanmenxia enjoys a temperate climate with an average annual temperature of 56°F (14°C). Winter temperatures average 31°F in January, while summers reach an average of 79°F in July. The area receives 294 sunny days per year, well above the national average of 205. Annual rainfall totals 23.0 inches.