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Than Uyên, Vietnam

Full City Profile

5,482 Population 90/sq mi density
1,926 ft Elevation 587 meters
67°F Avg Temperature 20°C
Than Uyên enjoys a temperate climate with an average annual temperature of 67°F (19°C). Winters average 56°F in January while summers reach 75°F in July. The area gets 214 sunny days per year. Annual precipitation totals 71.1 inches. The area receives 0.0 inches of snow annually.

Temperature

56°F Jan (13°C) 75°F Jul (24°C)
Annual Average67.2°F
24% above US avg
January Average56°F (13°C)
July Average75°F (24°C)
Sunny Days214 days/yr

Geography

Elevation1,926 ft (587 m)
Area61.1 sq mi (158.2 km²)
Population Density90/sq mi
Coordinates21.9591°N, 103.8800°W
TimezoneAsia/Bangkok

Precipitation & Snow

Annual Rainfall 71.1"
87% above US avg
Snowfall 0.0"
Wettest Month (Jul) 15.35"
Driest Month (Dec) 0.24"

Air Quality

Earthquake History

29 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.2. Most recent: M4.5 on May 16, 2025.

Apr 24, 1995 73 km SSW of Gejiu, China M5.2 132 km
Jul 27, 2020 ~120km W of Hanoi, Vietnam M4.9 144 km
Feb 19, 2001 31 km W of Dien Bien Phu, Vietnam M4.9 136 km
Mar 29, 1993 53 km N of Dien Bien Phu, Vietnam M4.6 81 km
Jul 19, 2014 19 km NNE of S?n La, Vietnam M4.6 53 km
Feb 24, 2016 55 km WSW of Sa Pa, Vietnam M4.5 63 km
Oct 6, 1991 33 km E of S?n La, Vietnam M4.5 74 km
May 16, 2025 27 km S of Mường Lay, Vietnam M4.5 85 km
Mar 4, 2001 10 km WSW of Dien Bien Phu, Vietnam M4.5 119 km
Apr 12, 2002 94 km NE of Phôngsali, Laos M4.5 135 km
Jun 16, 2020 100 km NNE of Phôngsali, Laos M4.5 144 km
Mar 14, 2022 76 km SSE of Dien Bien Phu, Vietnam M4.4 144 km
Mar 30, 1993 55 km N of Dien Bien Phu, Vietnam M4.4 84 km
Nov 9, 1995 76 km ENE of Phôngsali, Laos M4.4 120 km
Apr 2, 2001 74 km WSW of Sa Pa, Vietnam M4.4 77 km
Jan 7, 2018 36 km E of Dien Bien Phu, Vietnam M4.3 83 km
Jan 8, 2018 36 km E of Dien Bien Phu, Vietnam M4.3 84 km
Dec 21, 1993 62 km WSW of Sa Pa, Vietnam M4.3 71 km
Nov 28, 2001 82 km W of Sa Pa, Vietnam M4.3 102 km
Nov 13, 1996 100 km NE of Phôngsali, Laos M4.3 123 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

5 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 2.

Year Name Category Closest
2024 Yagi Category 2 216 km
2014 Kalmaegi Category 1 272 km
1997 Zita Category 1 245 km
1996 Frankie Category 2 279 km
1996 Niki Category 1 282 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 56°F (13°C) 0.6 in Coldest
February 58°F (15°C) 1.9 in
March 64°F (18°C) 1.7 in
April 70°F (21°C) 5.2 in
May 73°F (23°C) 8.4 in
June 75°F (24°C) 10.4 in Warmest
July 75°F (24°C) 15.4 in Wettest
August 75°F (24°C) 14.1 in
September 73°F (23°C) 8.6 in
October 69°F (20°C) 3.7 in
November 62°F (17°C) 0.9 in
December 57°F (14°C) 0.2 in Driest

Than Uyên has a seasonal temperature swing of 19°F / from 56°F in January to 75°F in June. Total annual precipitation is 71.1 inches, with July being the wettest month (15.4") and December the driest (0.2").

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