Phong Thổ, Vietnam

Full City Profile

892 ft Elevation 272 meters

68°F Avg Temperature 20°C

Phong Thổ enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 53°F in January while summers reach 75°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) 75°F Jul (24°C)

Annual Average	68.2°F
	26% above US avg
January Average	53°F (12°C)
July Average	75°F (24°C)
Sunny Days	323 days/yr

Geography

Elevation	892 ft (272 m)
Area	80.4 sq mi (208.2 km²)
Population Density	0/sq mi
Coordinates	22.5443°N, 103.2978°W
Timezone	Asia/Bangkok

Precipitation & Snow

Annual Rainfall 62.6"

65% above US avg

Snowfall 0.0"

Wettest Month (Jul) 14.30"

Driest Month (Dec) 0.40"

Air Quality

Earthquake History

46 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	46 km
Feb 19, 2001	31 km W of Dien Bien Phu, Vietnam	M4.9	141 km
Aug 13, 2005	32 km NNW of Wenshan City, China	M4.8	146 km
Jul 19, 2014	19 km NNE of S?n La, Vietnam	M4.6	137 km
Mar 29, 1993	53 km N of Dien Bien Phu, Vietnam	M4.6	78 km
Apr 30, 2001	97 km WSW of Gejiu, China	M4.5	119 km
Apr 22, 2016	37 km NE of Phôngsali, Laos	M4.5	120 km
May 16, 2025	27 km S of Mường Lay, Vietnam	M4.5	90 km
May 4, 2016	19 km SE of Gejiu, China	M4.5	78 km
May 4, 2016	20 km ESE of Gejiu, China	M4.5	85 km
Jun 16, 2020	100 km NNE of Phôngsali, Laos	M4.5	73 km
Apr 12, 2002	94 km NE of Phôngsali, Laos	M4.5	70 km
Mar 4, 2001	10 km WSW of Dien Bien Phu, Vietnam	M4.5	137 km
Feb 24, 2016	55 km WSW of Sa Pa, Vietnam	M4.5	38 km
May 27, 2002	11 km NNE of Kaiyuan, China	M4.5	139 km
Mar 30, 1993	55 km N of Dien Bien Phu, Vietnam	M4.4	77 km
Mar 5, 1991	106 km WSW of Gejiu, China	M4.4	124 km
Oct 4, 1992	49 km WNW of Gejiu, China	M4.4	122 km
Nov 9, 1995	76 km ENE of Phôngsali, Laos	M4.4	80 km
Sep 19, 1993	52 km NNW of Phôngsali, Laos	M4.4	147 km

Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	53°F (12°C)	0.5 in	Coldest
February	60°F (15°C)	1.6 in
March	66°F (19°C)	1.6 in
April	71°F (22°C)	3.9 in
May	74°F (23°C)	7.8 in
June	76°F (24°C)	11.7 in	Warmest
July	75°F (24°C)	14.3 in	Wettest
August	75°F (24°C)	12.4 in
September	73°F (23°C)	5.7 in
October	70°F (21°C)	3.3 in
November	63°F (17°C)	1.4 in
December	58°F (14°C)	0.4 in	Driest

Phong Thổ has a seasonal temperature swing of 23°F / from 53°F in January to 76°F in June. Total annual precipitation is 64.6 inches, with July being the wettest month (14.3") and December the driest (0.4").

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