Weather & Climate in Ban Namnga, Laos

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Ban Namnga enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 59°F in January while summers reach 76°F in July / relatively mild seasonal variation. The area gets 327 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 75.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 1,355 feet.

Temperature

59°F Jan (15°C) 76°F Jul (25°C)

Annual Average	70.1°F
	30% above US avg
January Average	59°F (15°C)
July Average	76°F (25°C)
Sunny Days	327 days/yr

Geography

Elevation	1,355 ft (413 m)
Area	1,087.6 sq mi (2,817.0 km²)
Population Density	0/sq mi
Coordinates	21.1719°N, 102.7256°W
Timezone	Asia/Vientiane

Precipitation & Snow

Annual Rainfall 75.0"

97% above US avg

Snowfall 0.0"

Wettest Month (Jul) 17.50"

Driest Month (Jan) 0.30"

Air Quality

Earthquake History

40 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.

Feb 19, 2001	31 km W of Dien Bien Phu, Vietnam	M4.9	25 km	10 km
Apr 3, 2003	83 km S of Dien Bien Phu, Vietnam	M4.7	74 km	10 km
Jul 19, 2014	19 km NNE of S?n La, Vietnam	M4.6	134 km	17 km
Jan 14, 2019	51 km SW of Phôngsali, Laos	M4.6	101 km	10 km
Mar 29, 1993	53 km N of Dien Bien Phu, Vietnam	M4.6	87 km	33 km
Mar 4, 2001	10 km WSW of Dien Bien Phu, Vietnam	M4.5	30 km	10 km
Apr 12, 2002	94 km NE of Phôngsali, Laos	M4.5	133 km	10 km
Jun 16, 2020	100 km NNE of Phôngsali, Laos	M4.5	144 km	10 km
Feb 24, 2016	55 km WSW of Sa Pa, Vietnam	M4.5	130 km	10 km
Apr 22, 2016	37 km NE of Phôngsali, Laos	M4.5	92 km	10 km
May 2, 2007	73 km S of Dien Bien Phu, Vietnam	M4.5	65 km	10 km
May 16, 2025	27 km S of Mường Lay, Vietnam	M4.5	75 km	10 km
May 22, 2009	25 km SSE of Phôngsali, Laos	M4.4	62 km	10 km
Mar 30, 1993	55 km N of Dien Bien Phu, Vietnam	M4.4	87 km	33 km
Sep 19, 1993	52 km NNW of Phôngsali, Laos	M4.4	134 km	33 km
Jun 21, 1995	83 km W of Xam Nua, Laos	M4.4	107 km	33 km
Apr 2, 2001	74 km WSW of Sa Pa, Vietnam	M4.4	115 km	33 km
Oct 5, 2009	54 km NNW of Phôngsali, Laos	M4.4	138 km	26 km
Jan 10, 2019	52 km SW of Phôngsali, Laos	M4.4	101 km	10 km
Nov 9, 1995	76 km ENE of Phôngsali, Laos	M4.4	99 km	33 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	59°F (15°C)	0.3 in	Coldest, Driest
February	63°F (17°C)	1.5 in
March	68°F (20°C)	1.4 in
April	73°F (23°C)	4.1 in
May	76°F (24°C)	7.8 in
June	77°F (25°C)	11.2 in	Warmest
July	76°F (25°C)	17.5 in	Wettest
August	76°F (24°C)	15.8 in
September	75°F (24°C)	5.4 in
October	72°F (22°C)	2.5 in
November	66°F (19°C)	0.8 in
December	61°F (16°C)	0.5 in

Ban Namnga has a seasonal temperature swing of 18°F / from 59°F in January to 77°F in June. Total annual precipitation is 68.8 inches, with July being the wettest month (17.5") and January the driest (0.3").

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