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Weather & Climate in Bút Sơn, Vietnam
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bút Sơn has a warm climate with an average annual temperature of 75°F (24°C). Winters average 62°F in January while summers reach 85°F in July. The area gets 252 sunny days per year, above the national average. Annual precipitation totals 55.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 26 feet.
Temperature
62°F Jan (17°C)
85°F Jul (29°C)
| Annual Average | 75.0°F |
| 39% above US avg | |
| January Average | 62°F (17°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 252 days/yr |
Geography
| Elevation | 26 ft (8 m) |
| Area | 56.7 sq mi (146.8 km²) |
| Population Density | 0/sq mi |
| Coordinates | 19.8580°N, 105.8548°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| Mar 25, 2024 | 27 km S of Xuân Mai, Vietnam | M4.2 | 94 km | 10 km |
| Sep 19, 2010 | 71 km SSW of Hòa Bình, Vietnam | M4.0 | 95 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
37 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Kajiki | Category 2 | — | 140 km |
| 2025 | Bualoi | Category 1 | — | 188 km |
| 2024 | Yagi | Category 3 | 104 mph | 128 km |
| 2017 | Doksuri | Category 2 | 92 mph | 225 km |
| 2016 | Mirinae | Category 1 | 52 mph | 52 km |
| 2014 | Rammasun | Category 3 | 58 mph | 296 km |
| 2014 | Kalmaegi | Category 1 | 75 mph | 216 km |
| 2013 | Wutip | Category 2 | 75 mph | 229 km |
| 2013 | Haiyan | Category 1 | 75 mph | 172 km |
| 2012 | Son-tinh | Category 3 | 92 mph | 92 km |
| 2010 | Mindulle | Category 1 | 52 mph | 248 km |
| 2007 | Lekima | Category 1 | 63 mph | 228 km |
| 2003 | Krovanh | Category 2 | 63 mph | 213 km |
| 2000 | Wukong | Category 1 | 58 mph | 280 km |
| 1997 | Zita | Category 1 | 52 mph | 151 km |
| 1996 | Frankie | Category 2 | 58 mph | 49 km |
| 1996 | Sally | Category 2 | 63 mph | 284 km |
| 1996 | Niki | Category 2 | 75 mph | 31 km |
| 1996 | Willie | Category 1 | 52 mph | 164 km |
| 1995 | Ted | Category 1 | 58 mph | 256 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1899 | NORTH CENTRAL VIETNAM | Unknown | 3.0 m | — | 97 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 62°F (17°C) | 0.9 in | Coldest, Driest |
| February | 65°F (18°C) | 1.4 in | |
| March | 68°F (20°C) | 1.6 in | |
| April | 75°F (24°C) | 2.3 in | |
| May | 81°F (27°C) | 6.4 in | |
| June | 85°F (29°C) | 6.9 in | Warmest |
| July | 85°F (29°C) | 9.2 in | |
| August | 83°F (29°C) | 11.2 in | |
| September | 81°F (27°C) | 15.2 in | Wettest |
| October | 77°F (25°C) | 6.8 in | |
| November | 71°F (22°C) | 2.8 in | |
| December | 66°F (19°C) | 1.2 in |
Bút Sơn has a seasonal temperature swing of 22°F / from 62°F in January to 85°F in June. Total annual precipitation is 65.9 inches, with September being the wettest month (15.2") and January the driest (0.9").