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Weather & Climate in Bắc Sơn, Vietnam
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bắc Sơn has a warm climate with an average annual temperature of 71°F (22°C). Winters average 56°F in January while summers reach 81°F in July. The area gets 239 sunny days per year, above the national average. Annual precipitation totals 62.3 inches (wetter than the 38-inch national average). The city sits at an elevation of 1,299 feet.
Temperature
56°F Jan (13°C)
81°F Jul (27°C)
| Annual Average | 71.3°F |
| 32% above US avg | |
| January Average | 56°F (13°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 239 days/yr |
Geography
| Elevation | 1,299 ft (396 m) |
| Area | 64.9 sq mi (168.0 km²) |
| Population Density | 0/sq mi |
| Coordinates | 21.9000°N, 106.3208°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Sep 23, 1994 | 49 km W of Móng Cái, Vietnam | M4.6 | 128 km | 33 km |
| Aug 15, 2017 | 60 km N of Cao B?ng, Vietnam | M4.5 | 146 km | 10 km |
| Oct 3, 2017 | 48 km N of Cao B?ng, Vietnam | M4.2 | 134 km | 12 km |
| Oct 11, 1991 | 11 km N of Tuyên Quang, Vietnam | M4.1 | 114 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 | Matmo | Category 1 | — | 225 km |
| 2024 | Yagi | Category 3 | 104 mph | 102 km |
| 2016 | Mirinae | Category 1 | 52 mph | 189 km |
| 2015 | Mujigae | Category 1 | 58 mph | 280 km |
| 2014 | Rammasun | Category 3 | 58 mph | 83 km |
| 2014 | Kalmaegi | Category 1 | 75 mph | 29 km |
| 2013 | Haiyan | Category 1 | 75 mph | 142 km |
| 2012 | Son-tinh | Category 2 | 81 mph | 112 km |
| 2008 | Hagupit | Category 1 | — | 246 km |
| 2003 | Krovanh | Category 2 | 75 mph | 75 km |
| 2001 | Durian | Category 1 | 52 mph | 257 km |
| 1997 | Zita | Category 1 | 58 mph | 81 km |
| 1996 | Sally | Category 2 | 63 mph | 122 km |
| 1996 | Frankie | Category 2 | 58 mph | 178 km |
| 1996 | Niki | Category 1 | 69 mph | 224 km |
| 1995 | Ted | Category 1 | 52 mph | 266 km |
| 1995 | Lois | Category 1 | 58 mph | 289 km |
| 1991 | Zeke | Category 1 | 69 mph | 294 km |
| 1986 | Wayne | Category 1 | 75 mph | 266 km |
| 1983 | Vera | Category 1 | 75 mph | 280 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 56°F (13°C) | 0.6 in | Coldest, Driest |
| February | 60°F (16°C) | 1.6 in | |
| March | 65°F (19°C) | 1.3 in | |
| April | 73°F (23°C) | 3.2 in | |
| May | 78°F (26°C) | 6.6 in | |
| June | 81°F (27°C) | 8.0 in | |
| July | 81°F (27°C) | 9.9 in | Warmest |
| August | 81°F (27°C) | 11.0 in | Wettest |
| September | 79°F (26°C) | 6.9 in | |
| October | 74°F (23°C) | 3.3 in | |
| November | 66°F (19°C) | 1.1 in | |
| December | 60°F (16°C) | 0.9 in |
Bắc Sơn has a seasonal temperature swing of 26°F / from 56°F in January to 81°F in July. Total annual precipitation is 54.4 inches, with August being the wettest month (11.0") and January the driest (0.6").