Tam Đường, Vietnam

Full City Profile

2,110 ft Elevation 643 meters

65°F Avg Temperature 18°C

Tam Đường enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 53°F in January while summers reach 73°F in July. The area gets 323 sunny days per year. Annual precipitation totals 62.6 inches. The area receives 0.0 inches of snow annually.

Temperature

53°F Jan (12°C) 73°F Jul (23°C)

Annual Average	65.1°F
	21% above US avg
January Average	53°F (12°C)
July Average	73°F (23°C)
Sunny Days	323 days/yr

Geography

Elevation	2,110 ft (643 m)
Area	72.8 sq mi (188.5 km²)
Population Density	0/sq mi
Coordinates	22.3181°N, 103.6262°W
Timezone	Asia/Bangkok

Precipitation & Snow

Annual Rainfall 62.6"

65% above US avg

Snowfall 0.0"

Wettest Month (Jul) 15.60"

Driest Month (Dec) 0.40"

Air Quality

Earthquake History

35 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	87 km
Feb 19, 2001	31 km W of Dien Bien Phu, Vietnam	M4.9	139 km
Mar 29, 1993	53 km N of Dien Bien Phu, Vietnam	M4.6	74 km
Jul 19, 2014	19 km NNE of S?n La, Vietnam	M4.6	99 km
May 4, 2016	19 km SE of Gejiu, China	M4.5	109 km
May 4, 2016	20 km ESE of Gejiu, China	M4.5	114 km
May 16, 2025	27 km S of Mường Lay, Vietnam	M4.5	83 km
Mar 4, 2001	10 km WSW of Dien Bien Phu, Vietnam	M4.5	128 km
Feb 24, 2016	55 km WSW of Sa Pa, Vietnam	M4.5	34 km
Apr 12, 2002	94 km NE of Phôngsali, Laos	M4.5	101 km
Oct 6, 1991	33 km E of S?n La, Vietnam	M4.5	121 km
Jun 16, 2020	100 km NNE of Phôngsali, Laos	M4.5	108 km
Apr 22, 2016	37 km NE of Phôngsali, Laos	M4.5	139 km
Nov 9, 1995	76 km ENE of Phôngsali, Laos	M4.4	97 km
Mar 30, 1993	55 km N of Dien Bien Phu, Vietnam	M4.4	75 km
Apr 2, 2001	74 km WSW of Sa Pa, Vietnam	M4.4	53 km
Nov 13, 1996	100 km NE of Phôngsali, Laos	M4.3	89 km
Jul 12, 2020	87 km SW of Gejiu, China	M4.3	122 km
Nov 28, 2001	82 km W of Sa Pa, Vietnam	M4.3	61 km
Jan 8, 2018	36 km E of Dien Bien Phu, Vietnam	M4.3	109 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year	Name	Category	Closest
2024	Yagi	Category 2	260 km
1997	Zita	Category 1	284 km

Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	53°F (12°C)	0.9 in	Coldest
February	56°F (13°C)	2.0 in
March	62°F (17°C)	2.1 in
April	68°F (20°C)	5.1 in
May	71°F (22°C)	9.0 in
June	73°F (23°C)	11.1 in	Warmest
July	73°F (23°C)	15.6 in	Wettest
August	73°F (23°C)	14.2 in
September	71°F (22°C)	8.8 in
October	66°F (19°C)	4.5 in
November	60°F (16°C)	1.2 in
December	55°F (13°C)	0.4 in	Driest

Tam Đường has a seasonal temperature swing of 20°F / from 53°F in January to 73°F in June. Total annual precipitation is 74.9 inches, with July being the wettest month (15.6") and December the driest (0.4").

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