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Weather & Climate in Nằm Vi, Vietnam
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Nằm Vi enjoys a temperate climate with an average annual temperature of 69°F (20°C). Winters average 58°F in January while summers reach 75°F in July / relatively mild seasonal variation. The area gets 229 sunny days per year, above the national average. Annual precipitation totals 59.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 2,136 feet.
Temperature
58°F Jan (15°C)
75°F Jul (24°C)
| Annual Average | 68.7°F |
| 27% above US avg | |
| January Average | 58°F (15°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 229 days/yr |
Geography
| Elevation | 2,136 ft (651 m) |
| Area | 272.3 sq mi (705.2 km²) |
| Population Density | 15/sq mi |
| Coordinates | 22.2167°N, 102.5167°W |
| Timezone | Asia/Ho_Chi_Minh |
Precipitation & Snow
Air Quality
Earthquake History
60 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 | 70 km | 33 km |
| Jan 30, 1997 | 83 km NE of Jinghong, China | M5.0 | 127 km | 10 km |
| Feb 19, 2001 | 31 km W of Dien Bien Phu, Vietnam | M4.9 | 94 km | 10 km |
| Jan 14, 2019 | 51 km SW of Phôngsali, Laos | M4.6 | 125 km | 10 km |
| Mar 29, 1993 | 53 km N of Dien Bien Phu, Vietnam | M4.6 | 72 km | 33 km |
| Feb 20, 2013 | 125 km SSE of Jianshui, China | M4.6 | 141 km | 10 km |
| Jan 12, 2006 | 120 km SSE of Jianshui, China | M4.6 | 146 km | 33 km |
| Mar 5, 2022 | 85 km NNW of Phôngsali, Laos | M4.5 | 87 km | 10 km |
| May 16, 2025 | 27 km S of Mường Lay, Vietnam | M4.5 | 78 km | 10 km |
| Apr 12, 2002 | 94 km NE of Phôngsali, Laos | M4.5 | 21 km | 10 km |
| Mar 4, 2001 | 10 km WSW of Dien Bien Phu, Vietnam | M4.5 | 104 km | 10 km |
| Feb 20, 2015 | 148 km WSW of Gejiu, China | M4.5 | 118 km | 10 km |
| May 4, 2016 | 19 km SE of Gejiu, China | M4.5 | 140 km | 15 km |
| Apr 30, 2001 | 97 km WSW of Gejiu, China | M4.5 | 95 km | 33 km |
| Jan 25, 1997 | 42 km ENE of Jinghong, China | M4.5 | 144 km | 33 km |
| Apr 22, 2016 | 37 km NE of Phôngsali, Laos | M4.5 | 37 km | 10 km |
| Feb 12, 2019 | 121 km NE of Jinghong, China | M4.5 | 132 km | 10 km |
| Jun 16, 2020 | 100 km NNE of Phôngsali, Laos | M4.5 | 28 km | 10 km |
| Mar 5, 2016 | 74 km ESE of Jinghong, China | M4.5 | 132 km | 16 km |
| Jan 28, 2014 | 85 km NE of Jinghong, China | M4.5 | 134 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 58°F (15°C) | 0.4 in | Coldest, Driest |
| February | 61°F (16°C) | 1.3 in | |
| March | 67°F (19°C) | 1.3 in | |
| April | 72°F (22°C) | 3.2 in | |
| May | 75°F (24°C) | 6.8 in | |
| June | 76°F (24°C) | 11.0 in | Warmest |
| July | 75°F (24°C) | 13.5 in | Wettest |
| August | 75°F (24°C) | 11.7 in | |
| September | 74°F (23°C) | 5.0 in | |
| October | 70°F (21°C) | 3.2 in | |
| November | 64°F (18°C) | 1.7 in | |
| December | 59°F (15°C) | 0.5 in |
Nằm Vi has a seasonal temperature swing of 17°F / from 58°F in January to 76°F in June. Total annual precipitation is 59.6 inches, with July being the wettest month (13.5") and January the driest (0.4").