Chang’an, China

Full City Profile

11,976 Population 7/sq mi density

1,703 ft Elevation 519 meters

52°F Avg Temperature 11°C

Chang’an experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 32°F in January while summers reach 70°F in July. The area gets 236 sunny days per year. Annual precipitation totals 54.9 inches. The area receives 2.2 inches of snow annually.

Temperature

32°F Jan (0°C) 70°F Jul (21°C)

Annual Average	51.7°F
	4% below US avg
January Average	32°F (0°C)
July Average	70°F (21°C)
Sunny Days	236 days/yr

Geography

Elevation	1,703 ft (519 m)
Area	1,786.5 sq mi (4,627.1 km²)
Population Density	7/sq mi
Coordinates	30.8309°N, 109.5581°W
Timezone	Asia/Shanghai

Precipitation & Snow

Annual Rainfall 54.9"

44% above US avg

Snowfall 2.2"

Wettest Month (Jul) 8.62"

Driest Month (Jan) 0.98"

Air Quality

Earthquake History

15 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.1. Most recent: M4.1 on Mar 24, 2019.

Dec 16, 2013	92 km WNW of Yichang, China	M5.1	86 km
Mar 29, 2014	49 km WNW of Yichang, China	M5.1	117 km
Mar 26, 2014	56 km WNW of Yichang, China	M4.8	112 km
Dec 13, 2001	68 km NW of Yichang, China	M4.8	122 km
Jun 16, 2017	95 km WNW of Yichang, China	M4.6	89 km
May 27, 2014	93 km SW of Shiyan, China	M4.5	139 km
Jul 18, 2013	66 km SSW of Wanxian, China	M4.4	149 km
Jul 14, 1990	107 km NE of Wanxian, China	M4.4	92 km
Jun 18, 2017	96 km WNW of Yichang, China	M4.4	92 km
Oct 30, 2012	70 km WNW of Yichang, China	M4.4	97 km
Feb 22, 2017	54 km W of Yichang, China	M4.2	113 km
Apr 17, 1991	54 km SW of Yichang, China	M4.2	137 km
Feb 10, 2005	41 km WNW of Lichuan, China	M4.1	119 km
Mar 24, 2019	95 km NE of Enshi, China	M4.1	59 km
Apr 20, 2014	90 km WNW of Yichang, China	M4.1	80 km

Source: USGS (M2.5+, 1990–2025)

Tsunami History

6 tsunamis recorded within 500 km. Highest wave on record: 54.0 m (177 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1985	QUYUAN, ZIGUI COUNTY	Meteorological	54.0 m	10	119 km
2007	DAYANTANG, ENSHI	Meteorological	50.0 m	8	75 km
2003	QINGGAN RIVER, HUBEI PROVINCE	Meteorological	39.0 m	24	101 km
2008	WU GORGE, WUSHAN COUNTY	Meteorological	13.1 m	—	43 km
2015	WUSHAN, CHONGQING	Meteorological	6.2 m	2	42 km
2012	ZHAOJUN BRIDGE, HUBEI PROVINCE	Meteorological	5.2 m	—	122 km

Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	32°F (0°C)	1.0 in	Coldest, Driest
February	35°F (2°C)	1.2 in
March	42°F (6°C)	2.6 in
April	52°F (11°C)	5.2 in
May	59°F (15°C)	7.0 in
June	65°F (18°C)	7.6 in
July	70°F (21°C)	8.6 in	Warmest, Wettest
August	70°F (21°C)	6.8 in
September	62°F (17°C)	6.9 in
October	53°F (12°C)	4.6 in
November	44°F (7°C)	2.4 in
December	36°F (2°C)	1.1 in

Chang’an has a seasonal temperature swing of 38°F / from 32°F in January to 70°F in July. Total annual precipitation is 54.9 inches, with July being the wettest month (8.6") and January the driest (1.0").

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