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Lạng Sơn, Vietnam

Full City Profile

200,108 Population 6,561/sq mi density
869 ft Elevation 265 meters
71°F Avg Temperature 22°C
Lạng Sơn has a warm climate with an average annual temperature of 71°F (22°C). Winters average 57°F in January while summers reach 81°F in July. The area gets 242 sunny days per year. Annual precipitation totals 51.9 inches. The area receives 0.0 inches of snow annually.

Temperature

57°F Jan (14°C) 81°F Jul (27°C)
Annual Average70.8°F
31% above US avg
January Average57°F (14°C)
July Average81°F (27°C)
Sunny Days242 days/yr

Geography

Elevation869 ft (265 m)
Area30.5 sq mi (79.0 km²)
Population Density6,561/sq mi
Coordinates21.8526°N, 106.7610°W
TimezoneAsia/Bangkok

Precipitation & Snow

Annual Rainfall 51.9"
37% above US avg
Snowfall 0.0"
Wettest Month (Aug) 10.31"
Driest Month (Jan) 0.75"

Air Quality

Earthquake History

2 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.6. Most recent: M4.2 on Oct 3, 2017.

Sep 23, 1994 49 km W of Móng Cái, Vietnam M4.6 83 km
Oct 3, 2017 48 km N of Cao B?ng, Vietnam M4.2 148 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

27 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4.

Year Name Category Closest
2025 Matmo Category 1 180 km
2025 Wutip Category 1 298 km
2024 Yagi Category 3 99 km
2023 Talim Category 1 265 km
2016 Mirinae Category 1 193 km
2015 Mujigae Category 1 239 km
2014 Rammasun Category 4 60 km
2014 Kalmaegi Category 1 32 km
2013 Haiyan Category 1 110 km
2012 Son-tinh Category 2 95 km
2008 Hagupit Category 1 200 km
2003 Krovanh Category 2 42 km
2003 Imbudo Category 1 291 km
2001 Durian Category 1 211 km
1997 Zita Category 1 73 km
1996 Sally Category 2 76 km
1996 Frankie Category 2 179 km
1996 Willie Category 1 289 km
1996 Niki Category 1 233 km
1995 Ted Category 1 222 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 57°F (14°C) 0.8 in Coldest, Driest
February 60°F (15°C) 1.8 in
March 65°F (18°C) 1.4 in
April 72°F (22°C) 3.2 in
May 78°F (25°C) 5.9 in
June 81°F (27°C) 7.4 in
July 81°F (27°C) 9.5 in Warmest
August 80°F (27°C) 10.3 in Wettest
September 78°F (26°C) 6.6 in
October 73°F (23°C) 3.2 in
November 66°F (19°C) 1.1 in
December 60°F (15°C) 0.9 in

Lạng Sơn has a seasonal temperature swing of 25°F / from 57°F in January to 81°F in July. Total annual precipitation is 51.9 inches, with August being the wettest month (10.3") and January the driest (0.8").

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