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Weather & Climate in Mường Chiên, Vietnam
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mường Chiên enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 57°F in January while summers reach 77°F in July. The area gets 311 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 66.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 525 feet.
Temperature
57°F Jan (14°C)
77°F Jul (25°C)
| Annual Average | 69.7°F |
| 29% above US avg | |
| January Average | 57°F (14°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 311 days/yr |
Geography
| Elevation | 525 ft (160 m) |
| Area | 6.8 sq mi (17.6 km²) |
| Population Density | 0/sq mi |
| Coordinates | 21.8424°N, 103.5661°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
33 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.2.
| Apr 24, 1995 | 73 km SSW of Gejiu, China | M5.2 | 120 km | 33 km |
| Feb 19, 2001 | 31 km W of Dien Bien Phu, Vietnam | M4.9 | 101 km | 10 km |
| Apr 3, 2003 | 83 km S of Dien Bien Phu, Vietnam | M4.7 | 140 km | 10 km |
| Jul 19, 2014 | 19 km NNE of S?n La, Vietnam | M4.6 | 58 km | 17 km |
| Mar 29, 1993 | 53 km N of Dien Bien Phu, Vietnam | M4.6 | 48 km | 33 km |
| Feb 24, 2016 | 55 km WSW of Sa Pa, Vietnam | M4.5 | 47 km | 10 km |
| Apr 22, 2016 | 37 km NE of Phôngsali, Laos | M4.5 | 126 km | 10 km |
| May 2, 2007 | 73 km S of Dien Bien Phu, Vietnam | M4.5 | 132 km | 10 km |
| Jun 16, 2020 | 100 km NNE of Phôngsali, Laos | M4.5 | 122 km | 10 km |
| Apr 12, 2002 | 94 km NE of Phôngsali, Laos | M4.5 | 111 km | 10 km |
| May 16, 2025 | 27 km S of Mường Lay, Vietnam | M4.5 | 50 km | 10 km |
| Mar 4, 2001 | 10 km WSW of Dien Bien Phu, Vietnam | M4.5 | 85 km | 10 km |
| Oct 6, 1991 | 33 km E of S?n La, Vietnam | M4.5 | 86 km | 10 km |
| Nov 9, 1995 | 76 km ENE of Phôngsali, Laos | M4.4 | 90 km | 33 km |
| Apr 2, 2001 | 74 km WSW of Sa Pa, Vietnam | M4.4 | 53 km | 33 km |
| Mar 30, 1993 | 55 km N of Dien Bien Phu, Vietnam | M4.4 | 51 km | 33 km |
| Mar 14, 2022 | 76 km SSE of Dien Bien Phu, Vietnam | M4.4 | 122 km | 10 km |
| May 22, 2009 | 25 km SSE of Phôngsali, Laos | M4.4 | 143 km | 10 km |
| Nov 13, 1996 | 100 km NE of Phôngsali, Laos | M4.3 | 100 km | 33 km |
| Jul 12, 2020 | 87 km SW of Gejiu, China | M4.3 | 149 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
4 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Yagi | Category 1 | 63 mph | 240 km |
| 1997 | Zita | Category 1 | — | 272 km |
| 1996 | Frankie | Category 1 | 52 mph | 297 km |
| 1996 | Niki | Category 1 | 63 mph | 294 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 57°F (14°C) | 0.4 in | Coldest, Driest |
| February | 61°F (16°C) | 1.9 in | |
| March | 67°F (19°C) | 1.3 in | |
| April | 72°F (22°C) | 4.8 in | |
| May | 75°F (24°C) | 8.1 in | |
| June | 77°F (25°C) | 10.5 in | Warmest |
| July | 77°F (25°C) | 15.4 in | Wettest |
| August | 76°F (25°C) | 13.2 in | |
| September | 75°F (24°C) | 6.4 in | |
| October | 71°F (22°C) | 2.7 in | |
| November | 65°F (18°C) | 1.0 in | |
| December | 60°F (15°C) | 0.4 in |
Mường Chiên has a seasonal temperature swing of 20°F / from 57°F in January to 77°F in June. Total annual precipitation is 66.1 inches, with July being the wettest month (15.4") and January the driest (0.4").