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Weather & Climate in Lay Nưa, Vietnam
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Lay Nưa enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 59°F in January while summers reach 77°F in July / relatively mild seasonal variation. The area gets 219 sunny days per year. Annual precipitation totals 68.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 2,215 feet.
Temperature
59°F Jan (15°C)
77°F Jul (25°C)
| Annual Average | 69.7°F |
| 29% above US avg | |
| January Average | 59°F (15°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 219 days/yr |
Geography
| Elevation | 2,215 ft (675 m) |
| Area | 118.4 sq mi (306.7 km²) |
| Population Density | 45/sq mi |
| Coordinates | 22.0176°N, 103.1163°W |
| Timezone | Asia/Ho_Chi_Minh |
Precipitation & Snow
Air Quality
Earthquake History
41 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 | 83 km | 33 km |
| Feb 19, 2001 | 31 km W of Dien Bien Phu, Vietnam | M4.9 | 81 km | 10 km |
| Mar 29, 1993 | 53 km N of Dien Bien Phu, Vietnam | M4.6 | 17 km | 33 km |
| Jul 19, 2014 | 19 km NNE of S?n La, Vietnam | M4.6 | 107 km | 17 km |
| Mar 4, 2001 | 10 km WSW of Dien Bien Phu, Vietnam | M4.5 | 75 km | 10 km |
| May 4, 2016 | 20 km ESE of Gejiu, China | M4.5 | 145 km | 16 km |
| May 16, 2025 | 27 km S of Mường Lay, Vietnam | M4.5 | 29 km | 10 km |
| Feb 24, 2016 | 55 km WSW of Sa Pa, Vietnam | M4.5 | 30 km | 10 km |
| Oct 6, 1991 | 33 km E of S?n La, Vietnam | M4.5 | 135 km | 10 km |
| Apr 30, 2001 | 97 km WSW of Gejiu, China | M4.5 | 143 km | 33 km |
| Apr 22, 2016 | 37 km NE of Phôngsali, Laos | M4.5 | 80 km | 10 km |
| May 4, 2016 | 19 km SE of Gejiu, China | M4.5 | 138 km | 15 km |
| Jun 16, 2020 | 100 km NNE of Phôngsali, Laos | M4.5 | 73 km | 10 km |
| May 2, 2007 | 73 km S of Dien Bien Phu, Vietnam | M4.5 | 144 km | 10 km |
| Apr 12, 2002 | 94 km NE of Phôngsali, Laos | M4.5 | 62 km | 10 km |
| Mar 30, 1993 | 55 km N of Dien Bien Phu, Vietnam | M4.4 | 16 km | 33 km |
| May 22, 2009 | 25 km SSE of Phôngsali, Laos | M4.4 | 108 km | 10 km |
| Apr 2, 2001 | 74 km WSW of Sa Pa, Vietnam | M4.4 | 13 km | 33 km |
| Mar 5, 1991 | 106 km WSW of Gejiu, China | M4.4 | 144 km | 33 km |
| Sep 19, 1993 | 52 km NNW of Phôngsali, Laos | M4.4 | 122 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
1 hurricane (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 | 290 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 59°F (15°C) | 0.4 in | Coldest, Driest |
| February | 62°F (16°C) | 1.7 in | |
| March | 67°F (20°C) | 1.5 in | |
| April | 73°F (23°C) | 4.1 in | |
| May | 76°F (24°C) | 8.4 in | |
| June | 77°F (25°C) | 12.8 in | Warmest |
| July | 77°F (25°C) | 15.7 in | Wettest |
| August | 76°F (25°C) | 13.7 in | |
| September | 75°F (24°C) | 5.4 in | |
| October | 71°F (22°C) | 3.0 in | |
| November | 65°F (18°C) | 1.3 in | |
| December | 60°F (15°C) | 0.4 in |
Lay Nưa has a seasonal temperature swing of 18°F / from 59°F in January to 77°F in June. Total annual precipitation is 68.4 inches, with July being the wettest month (15.7") and January the driest (0.4").