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Weather & Climate in Muang Xay, Laos
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Muang Xay has a warm climate with an average annual temperature of 72°F (22°C). Winters average 63°F in January while summers reach 77°F in July / relatively mild seasonal variation. The area gets 226 sunny days per year, above the national average. Annual precipitation totals 64.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 2,139 feet.
Temperature
63°F Jan (17°C)
77°F Jul (25°C)
| Annual Average | 71.9°F |
| 33% above US avg | |
| January Average | 63°F (17°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 226 days/yr |
Geography
| Elevation | 2,139 ft (652 m) |
| Area | 1,200.7 sq mi (3,109.8 km²) |
| Population Density | 21/sq mi |
| Coordinates | 20.6923°N, 101.9837°W |
| Timezone | Asia/Vientiane |
Precipitation & Snow
Air Quality
Earthquake History
34 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.3.
| May 16, 2007 | 40 km NE of Ban Houakhoua, Laos | M6.3 | 132 km | 9 km |
| Jan 19, 2000 | 73 km NE of Chiang Klang, Thailand | M5.4 | 121 km | 33 km |
| Feb 19, 2001 | 31 km W of Dien Bien Phu, Vietnam | M4.9 | 109 km | 10 km |
| Sep 28, 1996 | 61 km W of Muang Phônsavan, Laos | M4.8 | 145 km | 33 km |
| Apr 3, 2003 | 83 km S of Dien Bien Phu, Vietnam | M4.7 | 123 km | 10 km |
| Jul 7, 2021 | 53 km NE of Chiang Klang, Thailand | M4.7 | 141 km | 10 km |
| Jun 7, 2007 | 48 km NE of Ban Houakhoua, Laos | M4.6 | 125 km | 10 km |
| Jan 14, 2019 | 51 km SW of Phôngsali, Laos | M4.6 | 75 km | 10 km |
| Jul 14, 1990 | 38 km NE of Ban Houakhoua, Laos | M4.5 | 138 km | 29 km |
| Apr 22, 2016 | 37 km NE of Phôngsali, Laos | M4.5 | 142 km | 10 km |
| May 2, 2007 | 73 km S of Dien Bien Phu, Vietnam | M4.5 | 120 km | 10 km |
| Mar 31, 1999 | 31 km NNW of Sainyabuli, Laos | M4.5 | 134 km | 10 km |
| May 5, 2017 | 64 km W of Luang Prabang, Laos | M4.5 | 101 km | 17 km |
| Mar 5, 2016 | 74 km ESE of Jinghong, China | M4.5 | 127 km | 16 km |
| Mar 4, 2001 | 10 km WSW of Dien Bien Phu, Vietnam | M4.5 | 123 km | 10 km |
| Jan 19, 2002 | 42 km NNE of Luang Namtha, Laos | M4.4 | 87 km | 33 km |
| Jan 10, 2019 | 52 km SW of Phôngsali, Laos | M4.4 | 74 km | 10 km |
| Jun 10, 2008 | 51 km NE of Ban Houakhoua, Laos | M4.4 | 122 km | 35 km |
| Mar 14, 2022 | 76 km SSE of Dien Bien Phu, Vietnam | M4.4 | 142 km | 10 km |
| Jun 21, 1995 | 83 km W of Xam Nua, Laos | M4.4 | 138 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 63°F (17°C) | 0.2 in | Driest |
| February | 66°F (19°C) | 1.3 in | |
| March | 71°F (22°C) | 1.3 in | |
| April | 76°F (24°C) | 3.4 in | |
| May | 77°F (25°C) | 7.5 in | |
| June | 78°F (25°C) | 9.4 in | Warmest |
| July | 77°F (25°C) | 13.6 in | |
| August | 77°F (25°C) | 15.2 in | Wettest |
| September | 76°F (24°C) | 6.9 in | |
| October | 73°F (23°C) | 3.3 in | |
| November | 68°F (20°C) | 1.2 in | |
| December | 63°F (17°C) | 0.8 in | Coldest |
Muang Xay has a seasonal temperature swing of 15°F / from 63°F in December to 78°F in June. Total annual precipitation is 64.1 inches, with August being the wettest month (15.2") and January the driest (0.2").