Houay Nga Na Song, Laos

Full City Profile

1,192 Population 1/sq mi density

1,972 ft Elevation 601 meters

72°F Avg Temperature 22°C

Houay Nga Na Song has a warm climate with an average annual temperature of 72°F (22°C). Winters average 62°F in January while summers reach 78°F in July. The area gets 227 sunny days per year. Annual precipitation totals 69.8 inches. The area receives 0.0 inches of snow annually.

Temperature

62°F Jan (17°C) 78°F Jul (26°C)

Annual Average	72.1°F
	34% above US avg
January Average	62°F (17°C)
July Average	78°F (26°C)
Sunny Days	227 days/yr

Geography

Elevation	1,972 ft (601 m)
Area	1,087.6 sq mi (2,817.0 km²)
Population Density	1/sq mi
Coordinates	21.1500°N, 102.7167°W
Timezone	Asia/Vientiane

Precipitation & Snow

Annual Rainfall 69.8"

84% above US avg

Snowfall 0.0"

Wettest Month (Jul) 18.07"

Driest Month (Jan) 0.16"

Air Quality

Earthquake History

39 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.9. Most recent: M4.5 on May 16, 2025.

Feb 19, 2001	31 km W of Dien Bien Phu, Vietnam	M4.9	27 km
Apr 3, 2003	83 km S of Dien Bien Phu, Vietnam	M4.7	73 km
Jul 19, 2014	19 km NNE of S?n La, Vietnam	M4.6	136 km
Jan 14, 2019	51 km SW of Phôngsali, Laos	M4.6	100 km
Mar 29, 1993	53 km N of Dien Bien Phu, Vietnam	M4.6	89 km
May 16, 2025	27 km S of Mường Lay, Vietnam	M4.5	78 km
Feb 24, 2016	55 km WSW of Sa Pa, Vietnam	M4.5	133 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	146 km
Apr 22, 2016	37 km NE of Phôngsali, Laos	M4.5	94 km
Mar 4, 2001	10 km WSW of Dien Bien Phu, Vietnam	M4.5	32 km
May 2, 2007	73 km S of Dien Bien Phu, Vietnam	M4.5	64 km
May 22, 2009	25 km SSE of Phôngsali, Laos	M4.4	62 km
Apr 2, 2001	74 km WSW of Sa Pa, Vietnam	M4.4	118 km
Sep 19, 1993	52 km NNW of Phôngsali, Laos	M4.4	135 km
Mar 30, 1993	55 km N of Dien Bien Phu, Vietnam	M4.4	90 km
Jun 21, 1995	83 km W of Xam Nua, Laos	M4.4	105 km
Oct 5, 2009	54 km NNW of Phôngsali, Laos	M4.4	139 km
Nov 9, 1995	76 km ENE of Phôngsali, Laos	M4.4	101 km
Jan 10, 2019	52 km SW of Phôngsali, Laos	M4.4	100 km

Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	62°F (17°C)	0.2 in	Coldest, Driest
February	65°F (18°C)	1.3 in
March	70°F (21°C)	1.5 in
April	75°F (24°C)	3.9 in
May	78°F (25°C)	7.5 in
June	79°F (26°C)	11.4 in	Warmest
July	78°F (26°C)	18.1 in	Wettest
August	78°F (26°C)	17.0 in
September	77°F (25°C)	5.3 in
October	74°F (23°C)	2.3 in
November	68°F (20°C)	0.8 in
December	63°F (17°C)	0.6 in

Houay Nga Na Song has a seasonal temperature swing of 17°F / from 62°F in January to 79°F in June. Total annual precipitation is 69.8 inches, with July being the wettest month (18.1") and January the driest (0.2").

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