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Weather & Climate in Lao Chải, Vietnam
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Lao Chải enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 50°F in January while summers reach 70°F in July. The area gets 202 sunny days per year. Annual precipitation totals 82.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 3,832 feet.
Temperature
50°F Jan (10°C)
70°F Jul (21°C)
| Annual Average | 61.7°F |
| 14% above US avg | |
| January Average | 50°F (10°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 202 days/yr |
Geography
| Elevation | 3,832 ft (1,168 m) |
| Area | 27.5 sq mi (71.1 km²) |
| Population Density | 85/sq mi |
| Coordinates | 22.3138°N, 103.8684°W |
| Timezone | Asia/Ho_Chi_Minh |
Precipitation & Snow
Air Quality
Earthquake History
31 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 | 109 km | 33 km |
| Aug 13, 2005 | 32 km NNW of Wenshan City, China | M4.8 | 148 km | 10 km |
| Jul 19, 2014 | 19 km NNE of S?n La, Vietnam | M4.6 | 92 km | 17 km |
| Mar 29, 1993 | 53 km N of Dien Bien Phu, Vietnam | M4.6 | 94 km | 33 km |
| May 4, 2016 | 20 km ESE of Gejiu, China | M4.5 | 123 km | 16 km |
| Jun 16, 2020 | 100 km NNE of Phôngsali, Laos | M4.5 | 132 km | 10 km |
| Feb 24, 2016 | 55 km WSW of Sa Pa, Vietnam | M4.5 | 57 km | 10 km |
| Apr 12, 2002 | 94 km NE of Phôngsali, Laos | M4.5 | 126 km | 10 km |
| May 4, 2016 | 19 km SE of Gejiu, China | M4.5 | 120 km | 15 km |
| Mar 4, 2001 | 10 km WSW of Dien Bien Phu, Vietnam | M4.5 | 143 km | 10 km |
| May 16, 2025 | 27 km S of Mường Lay, Vietnam | M4.5 | 101 km | 10 km |
| Oct 6, 1991 | 33 km E of S?n La, Vietnam | M4.5 | 110 km | 10 km |
| Nov 9, 1995 | 76 km ENE of Phôngsali, Laos | M4.4 | 121 km | 33 km |
| Mar 30, 1993 | 55 km N of Dien Bien Phu, Vietnam | M4.4 | 95 km | 33 km |
| Apr 2, 2001 | 74 km WSW of Sa Pa, Vietnam | M4.4 | 76 km | 33 km |
| Nov 28, 2001 | 82 km W of Sa Pa, Vietnam | M4.3 | 85 km | 33 km |
| Jan 7, 2018 | 36 km E of Dien Bien Phu, Vietnam | M4.3 | 116 km | 10 km |
| Nov 13, 1996 | 100 km NE of Phôngsali, Laos | M4.3 | 114 km | 33 km |
| Aug 7, 1992 | 40 km SW of Wenshan City, China | M4.3 | 94 km | 10 km |
| Jul 12, 2020 | 87 km SW of Gejiu, China | M4.3 | 145 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
3 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Yagi | Category 2 | 63 mph | 239 km |
| 2014 | Kalmaegi | Category 1 | 63 mph | 280 km |
| 1997 | Zita | Category 1 | 46 mph | 262 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 50°F (10°C) | 0.9 in | Coldest |
| February | 53°F (11°C) | 2.2 in | |
| March | 59°F (15°C) | 2.4 in | |
| April | 64°F (18°C) | 5.7 in | |
| May | 68°F (20°C) | 9.7 in | |
| June | 70°F (21°C) | 11.3 in | |
| July | 70°F (21°C) | 17.2 in | Warmest, Wettest |
| August | 69°F (21°C) | 16.5 in | |
| September | 67°F (20°C) | 10.4 in | |
| October | 63°F (17°C) | 5.0 in | |
| November | 57°F (14°C) | 0.7 in | |
| December | 51°F (11°C) | 0.2 in | Driest |
Lao Chải has a seasonal temperature swing of 20°F / from 50°F in January to 70°F in July. Total annual precipitation is 82.2 inches, with July being the wettest month (17.2") and December the driest (0.2").