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Weather & Climate in Houay Nga Na Song, Laos
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
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 / relatively mild seasonal variation. The area gets 227 sunny days per year, above the national average. Annual precipitation totals 69.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 1,972 feet.
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
Air Quality
Earthquake History
39 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 | 27 km | 10 km |
| Apr 3, 2003 | 83 km S of Dien Bien Phu, Vietnam | M4.7 | 73 km | 10 km |
| Jul 19, 2014 | 19 km NNE of S?n La, Vietnam | M4.6 | 136 km | 17 km |
| Jan 14, 2019 | 51 km SW of Phôngsali, Laos | M4.6 | 100 km | 10 km |
| Mar 29, 1993 | 53 km N of Dien Bien Phu, Vietnam | M4.6 | 89 km | 33 km |
| May 16, 2025 | 27 km S of Mường Lay, Vietnam | M4.5 | 78 km | 10 km |
| Feb 24, 2016 | 55 km WSW of Sa Pa, Vietnam | M4.5 | 133 km | 10 km |
| Apr 12, 2002 | 94 km NE of Phôngsali, Laos | M4.5 | 135 km | 10 km |
| Jun 16, 2020 | 100 km NNE of Phôngsali, Laos | M4.5 | 146 km | 10 km |
| Apr 22, 2016 | 37 km NE of Phôngsali, Laos | M4.5 | 94 km | 10 km |
| Mar 4, 2001 | 10 km WSW of Dien Bien Phu, Vietnam | M4.5 | 32 km | 10 km |
| May 2, 2007 | 73 km S of Dien Bien Phu, Vietnam | M4.5 | 64 km | 10 km |
| May 22, 2009 | 25 km SSE of Phôngsali, Laos | M4.4 | 62 km | 10 km |
| Apr 2, 2001 | 74 km WSW of Sa Pa, Vietnam | M4.4 | 118 km | 33 km |
| Sep 19, 1993 | 52 km NNW of Phôngsali, Laos | M4.4 | 135 km | 33 km |
| Mar 30, 1993 | 55 km N of Dien Bien Phu, Vietnam | M4.4 | 90 km | 33 km |
| Jun 21, 1995 | 83 km W of Xam Nua, Laos | M4.4 | 105 km | 33 km |
| Oct 5, 2009 | 54 km NNW of Phôngsali, Laos | M4.4 | 139 km | 26 km |
| Nov 9, 1995 | 76 km ENE of Phôngsali, Laos | M4.4 | 101 km | 33 km |
| Jan 10, 2019 | 52 km SW of Phôngsali, Laos | M4.4 | 100 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
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").