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Weather & Climate in Quan Sơn, Vietnam
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Quan Sơn has a warm climate with an average annual temperature of 73°F (23°C). Winters average 57°F in January while summers reach 82°F in July. The area gets 248 sunny days per year, above the national average. Annual precipitation totals 63.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 469 feet.
Temperature
57°F Jan (14°C)
82°F Jul (28°C)
| Annual Average | 73.4°F |
| 36% above US avg | |
| January Average | 57°F (14°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 248 days/yr |
Geography
| Elevation | 469 ft (143 m) |
| Area | 24.6 sq mi (63.8 km²) |
| Population Density | 0/sq mi |
| Coordinates | 20.2591°N, 104.9452°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
5 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Jul 27, 2020 | ~120km W of Hanoi, Vietnam | M4.9 | 75 km | 10 km |
| Oct 6, 1991 | 33 km E of S?n La, Vietnam | M4.5 | 146 km | 10 km |
| Mar 25, 2024 | 27 km S of Xuân Mai, Vietnam | M4.2 | 77 km | 10 km |
| Oct 23, 1993 | 20 km SSW of Yên Bái, Vietnam | M4.1 | 143 km | 33 km |
| Sep 19, 2010 | 71 km SSW of Hòa Bình, Vietnam | M4.0 | 10 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
22 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Kajiki | Category 2 | — | 201 km |
| 2025 | Bualoi | Category 1 | — | 264 km |
| 2024 | Yagi | Category 3 | 104 mph | 114 km |
| 2017 | Doksuri | Category 2 | 92 mph | 265 km |
| 2016 | Mirinae | Category 1 | 52 mph | 131 km |
| 2014 | Kalmaegi | Category 1 | 63 mph | 227 km |
| 2013 | Wutip | Category 2 | 75 mph | 262 km |
| 2013 | Haiyan | Category 1 | 69 mph | 256 km |
| 2012 | Son-tinh | Category 3 | 86 mph | 173 km |
| 2003 | Krovanh | Category 1 | 58 mph | 246 km |
| 1997 | Zita | Category 1 | 52 mph | 159 km |
| 1996 | Frankie | Category 2 | 58 mph | 100 km |
| 1996 | Willie | Category 1 | 52 mph | 269 km |
| 1996 | Niki | Category 1 | 69 mph | 74 km |
| 1995 | Lois | Category 1 | 58 mph | 131 km |
| 1993 | Lewis | Category 1 | 58 mph | 239 km |
| 1991 | Fred | Category 2 | 69 mph | 289 km |
| 1989 | Brian | Category 1 | 63 mph | 223 km |
| 1987 | Cary | Category 1 | 69 mph | 269 km |
| 1985 | Dot | Category 1 | 69 mph | 268 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 57°F (14°C) | 0.5 in | Coldest, Driest |
| February | 63°F (17°C) | 1.2 in | |
| March | 68°F (20°C) | 1.4 in | |
| April | 74°F (23°C) | 2.9 in | |
| May | 80°F (27°C) | 7.5 in | |
| June | 83°F (28°C) | 7.8 in | Warmest |
| July | 82°F (28°C) | 11.0 in | |
| August | 82°F (28°C) | 11.7 in | |
| September | 79°F (26°C) | 13.9 in | Wettest |
| October | 76°F (24°C) | 5.3 in | |
| November | 70°F (21°C) | 2.1 in | |
| December | 64°F (18°C) | 0.9 in |
Quan Sơn has a seasonal temperature swing of 26°F / from 57°F in January to 83°F in June. Total annual precipitation is 66.2 inches, with September being the wettest month (13.9") and January the driest (0.5").