All Countries
Weather & Climate in Cao Bằng, Vietnam
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cao Bằng 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 229 sunny days per year, above the national average. Annual precipitation totals 58.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 646 feet.
Temperature
56°F Jan (14°C)
81°F Jul (27°C)
| Annual Average | 70.9°F |
| 31% above US avg | |
| January Average | 56°F (14°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 229 days/yr |
Geography
| Elevation | 646 ft (197 m) |
| Area | 41.6 sq mi (107.6 km²) |
| Population Density | 1,770/sq mi |
| Coordinates | 22.6657°N, 106.2579°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
6 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Aug 15, 2017 | 60 km N of Cao B?ng, Vietnam | M4.5 | 61 km | 10 km |
| Aug 4, 2021 | 58 km SSE of Baise City, China | M4.5 | 98 km | 14 km |
| Jul 25, 1995 | 72 km NW of Cao B?ng, Vietnam | M4.2 | 73 km | 10 km |
| Oct 3, 2017 | 48 km N of Cao B?ng, Vietnam | M4.2 | 48 km | 12 km |
| Oct 11, 1991 | 11 km N of Tuyên Quang, Vietnam | M4.1 | 135 km | 10 km |
| Apr 22, 1997 | 33 km NNE of Hà Giang, Vietnam | M3.6 | 133 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
14 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Matmo | Category 1 | — | 246 km |
| 2024 | Yagi | Category 3 | 104 mph | 187 km |
| 2016 | Mirinae | Category 1 | 52 mph | 274 km |
| 2015 | Mujigae | Category 1 | 58 mph | 271 km |
| 2014 | Rammasun | Category 3 | 58 mph | 59 km |
| 2014 | Kalmaegi | Category 1 | 75 mph | 110 km |
| 2013 | Haiyan | Category 1 | 69 mph | 214 km |
| 2012 | Son-tinh | Category 1 | 52 mph | 194 km |
| 2008 | Hagupit | Category 1 | — | 265 km |
| 2003 | Krovanh | Category 2 | 75 mph | 146 km |
| 2001 | Durian | Category 1 | 52 mph | 283 km |
| 1997 | Zita | Category 1 | 58 mph | 164 km |
| 1996 | Frankie | Category 2 | 58 mph | 263 km |
| 1996 | Sally | Category 2 | 63 mph | 154 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 56°F (14°C) | 0.6 in | Coldest, Driest |
| February | 60°F (15°C) | 1.7 in | |
| March | 66°F (19°C) | 1.1 in | |
| April | 73°F (23°C) | 2.9 in | |
| May | 78°F (26°C) | 7.6 in | |
| June | 81°F (27°C) | 11.1 in | |
| July | 81°F (27°C) | 10.6 in | Warmest |
| August | 80°F (27°C) | 11.2 in | Wettest |
| September | 78°F (26°C) | 6.3 in | |
| October | 73°F (23°C) | 3.5 in | |
| November | 66°F (19°C) | 1.4 in | |
| December | 60°F (15°C) | 0.8 in |
Cao Bằng has a seasonal temperature swing of 25°F / from 56°F in January to 81°F in July. Total annual precipitation is 58.8 inches, with August being the wettest month (11.2") and January the driest (0.6").