Sanmenxia, China

Henan · China

Sanmenxia is a major city in Henan, China with a population of 2,034,872. Elevation: 1,263 ft (385 m). Average temperature: 56°F (14°C).

Population source: Wikidata (dated census and official estimates), GeoNames. Climate: WorldClim 2.1 normals (1970-2000), NASA POWER. Updated August 2026

2,034,872 Population

1,263 ft Elevation 385 meters

56°F Avg Temperature 14°C

23.0 in Annual Rain

Asia / Shanghai Timezone

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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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Full City Profile

People

Population2,034,872

Climate

Avg Temp56°F (14°C)

Rain23.0 in/yr

Elevation1,263 ft (385 m)

Population	2,034,872
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 2,034,872. 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.

Month	Avg °C / °F	Min / Max °C	Rain (mm)
Jan	0°C / 32°F	-5.3° / 5.3°	4.8
Feb	4.4°C / 40°F	-1.3° / 10°	7.8
Mar	10°C / 50°F	3.9° / 16.2°	15.6
Apr	16.5°C / 62°F	10° / 23°	32.6
May	21.6°C / 71°F	15.2° / 28°	49.0
Jun	26.3°C / 79°F	20.3° / 32.3°	54.2
Jul	28.1°C / 83°F	23.1° / 33.1°	92.2
Aug	26.5°C / 80°F	21.8° / 31.2°	84.2
Sep	21.5°C / 71°F	16.6° / 26.4°	80.7
Oct	15.1°C / 59°F	9.7° / 20.5°	51.6
Nov	7.6°C / 46°F	2.3° / 13°	22.1
Dec	1.3°C / 34°F	-3.8° / 6.4°	3.8

Sanmenxia enjoys a temperate climate with an average annual temperature of 56°F (14°C). Winters average 31°F in January while summers reach 79°F in July. Annual precipitation totals 23.0 inches (drier than the 38-inch national average). The city sits at an elevation of 1,263 feet.

Temperature

31°F Jan (-1°C) 79°F Jul (26°C)

Annual Average	56.3°F
	4% above China avg
January Average	31°F (-1°C)
July Average	79°F (26°C)

Geography

Elevation	1,263 ft (385 m)
Coordinates	34.7808°N, 111.1929°E
Timezone	Asia/Shanghai

Precipitation & Snow

Annual Rainfall 23.0"

39% below China avg

Snowfall 0.5"

Wettest Month (Jul) 4.88"

Driest Month (Jan) 0.24"

Air Quality

Earthquake History

17 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.0. Most recent: M4.6 on Jul 25, 2025.

Jan 24, 2010	28 km ENE of Hancheng, China	M5.0	92 km
Mar 12, 2016	20 km ESE of Yuncheng, China	M4.8	20 km
Jul 25, 2025	33 km SW of Linfen, China	M4.6	118 km
Sep 1, 1992	23 km WNW of Yuncheng, China	M4.5	54 km
Jul 11, 1998	36 km NE of Huayin, China	M4.4	74 km
Sep 12, 2022	17 km NE of Yima, China	M4.3	77 km
Apr 17, 1991	18 km N of Yuncheng, China	M4.0	50 km
Jul 3, 1993	46 km SSW of Linfen, China	M4.0	103 km
Jan 15, 2011	47 km N of Yuncheng, China	M4.0	76 km
Jan 1, 1993	19 km N of Yuncheng, China	M3.9	49 km
Mar 26, 2016	15 km SSE of Yuncheng, China	M3.9	17 km
Apr 22, 1991	7 km SW of Hancheng, China	M3.8	103 km
May 1, 1991	10 km NW of Yuncheng, China	M3.8	43 km
Dec 27, 1992	30 km NW of Yuncheng, China	M3.6	63 km
Feb 19, 1993	21 km SW of Yuncheng, China	M3.5	33 km
Feb 20, 1990	49 km WSW of Yuncheng, China	M3.3	67 km
Nov 5, 1992	40 km SW of Luoyang, China	M3.3	98 km

Source: USGS (M2.5+, 1990-2025)

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").

View full weather details →

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 (OpenStreetMap data).

School	Level	Enrollment	Teachers	Student/Teacher
三门峡市外国语高级中学	-	-	-	-

View full schools details →

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

Supreme Pizza

Train Stations in Sanmenxia

5 train stations within city radius - OpenStreetMap data

Hejiazhuang

Jiaokou

Sanmenxia

Sanmenxianan

Zhangjiawan

Bus Stations in Sanmenxia

1 bus stations within city radius - OpenStreetMap data

三门峡汽车站

Gas Stations in Sanmenxia

5 gas stations within city radius - OpenStreetMap data

CN #9069658505

CN #9069658553

CN #9069658845

CN #9070420276

CN #9070420533

Banks in Sanmenxia

4 banks within city radius - OpenStreetMap data

Bank of China

China Construction Bank

Postal Savings Bank of China

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

Timezone

Asia/Shanghai

Around Sanmenxia

Places within 5 km radius - OpenStreetMap data

Schools	2
Hospitals	1
Restaurants	1
Banks	4
Parks	13

🇨🇳 About China

Capital	Beijing
Population	1,411,778,724
Area	9,596,960 km²
GDP (USD)	$18,270,356,654,533
GDP per capita	$12,951
HDI	0.788
Life expectancy	78.0 years
Internet users	90.6%
Urban population	65.5%
Currency	CNY (Yuan Renminbi)
Languages	Chinese
Calling code	+86
TLD	.cn
Driving side	right

Public Holidays in China

6 public holidays this year

Date	Holiday	Local Name
Jan 1	New Year's Day	元旦
Feb 17	Chinese New Year (Spring Festival)	春节
May 1	Labour Day	劳动节
Jun 19	Dragon Boat Festival	端午节
Sep 25	Mid-Autumn Festival	中秋节
Oct 1	National Day	国庆节

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Frequently Asked Questions About Sanmenxia

What is the population of Sanmenxia?

Sanmenxia has a population of 2,034,872 residents and is located in China..

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. Annual rainfall totals 23.0 inches.

Nearby Cities

Yuncheng 4,774,508 pop · 20.2 mi Lingbao 656,571 pop · 25.0 mi Yima 82,509 pop · 39.3 mi Shenbai 11,478 pop · 40.6 mi Yangyu 14,422 pop · 44.5 mi Xintian 257,854 pop · 58.3 mi Hancheng 383,097 pop · 63.8 mi Huayin 205,119 pop · 65.7 mi Luoyang 7,081,000 pop · 71.0 mi Luanchuan Chengguanzhen 319,400 pop · 73.1 mi Jiyuan 727,265 pop · 81.9 mi Yanshi 545,632 pop · 90.4 mi Mengzhou 334,213 pop · 90.7 mi Linfen 3,976,481 pop · 92.2 mi

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