Longtan, China

Full City Profile

36,511 Population 628/sq mi density
2,277 ft Elevation 694 meters
64°F Avg Temperature 18°C
Longtan enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 43°F in January while summers reach 80°F in July. Annual precipitation totals 70.4 inches. The area receives 3.2 inches of snow annually.

Temperature

43°F Jan (6°C) 80°F Jul (27°C)
Annual Average63.9°F
18% above US avg
January Average43°F (6°C)
July Average80°F (27°C)

Geography

Elevation2,277 ft (694 m)
Area58.1 sq mi (150.5 km²)
Population Density628/sq mi
Coordinates29.4463°N, 107.1022°E
TimezoneAsia/Shanghai

Precipitation & Snow

Annual Rainfall 70.4"
85% above US avg
Snowfall 3.2"
Wettest Month (Jun) 7.01"
Driest Month (Jan) 0.75"

Air Quality

Earthquake History

24 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.8. Most recent: M4.5 on Aug 16, 2025.

Jun 23, 2001 29 km W of Yongchuan, China M4.8 146 km
Aug 13, 1997 29 km WNW of Yongchuan, China M4.8 145 km
Aug 17, 1999 28 km WNW of Yongchuan, China M4.8 145 km
Apr 30, 2002 26 km WNW of Yongchuan, China M4.8 141 km
Aug 16, 2025 37 km WSW of Bishan, China M4.5 134 km
Jul 15, 1997 69 km WSW of Lichuan, China M4.5 128 km
Aug 20, 1993 30 km NW of Yongchuan, China M4.5 139 km
Feb 24, 1997 31 km W of Yongchuan, China M4.5 149 km
Apr 14, 1994 26 km WNW of Yongchuan, China M4.4 142 km
Feb 22, 2010 26 km W of Yongchuan, China M4.4 144 km
Jul 18, 2013 66 km SSW of Wanxian, China M4.4 135 km
Aug 11, 2016 68 km N of Fuling, China M4.4 99 km
Jul 7, 2024 3 km WSW of Yongrong, China M4.3 144 km
Dec 5, 1993 72 km ENE of Fuling, China M4.3 111 km
Aug 8, 2010 18 km W of Jijiang, China M4.3 103 km
Jul 16, 2012 26 km SE of Fuling, China M4.2 46 km
Jan 16, 1996 31 km WNW of Yongchuan, China M4.2 147 km
Dec 28, 2012 11 km SE of Puhechang, China M4.2 65 km
Apr 13, 2010 24 km WSW of Yongchuan, China M4.2 141 km
Jan 1, 2003 19 km W of Yongchuan, China M4.1 137 km
Source: USGS (M2.5+, 1990-2025)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 43°F (6°C) 0.8 in Driest
February 43°F (6°C) 0.8 in Coldest
March 51°F (10°C) 1.8 in
April 60°F (16°C) 4.1 in
May 67°F (20°C) 6.5 in
June 72°F (22°C) 7.0 in Wettest
July 80°F (27°C) 6.7 in Warmest
August 78°F (25°C) 5.8 in
September 70°F (21°C) 5.8 in
October 61°F (16°C) 4.1 in
November 52°F (11°C) 2.2 in
December 44°F (6°C) 1.0 in

Longtan has a seasonal temperature swing of 37°F / from 43°F in February to 80°F in July. Total annual precipitation is 46.4 inches, with June being the wettest month (7.0") and January the driest (0.8").

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