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Weather & Climate in Khe Sanh, Vietnam
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Khe Sanh has a warm climate with an average annual temperature of 75°F (24°C). Winters average 67°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 192 sunny days per year. Annual precipitation totals 83.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 1,345 feet.
Temperature
67°F Jan (19°C)
80°F Jul (27°C)
| Annual Average | 74.9°F |
| 39% above US avg | |
| January Average | 67°F (19°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 192 days/yr |
Geography
| Elevation | 1,345 ft (410 m) |
| Area | 85.2 sq mi (220.6 km²) |
| Population Density | 164/sq mi |
| Coordinates | 16.6283°N, 106.7388°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| May 15, 2014 | 32 km WSW of Hu?, Vietnam | M4.6 | 65 km | 14 km |
| Jan 27, 2017 | 55 km SSW of Hu?, Vietnam | M4.4 | 98 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
35 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Kajiki | Category 2 | — | 182 km |
| 2025 | Bualoi | Category 1 | — | 125 km |
| 2022 | Noru | Category 2 | 86 mph | 139 km |
| 2020 | Vamco | Category 2 | 75 mph | 94 km |
| 2020 | Molave | Category 1 | 81 mph | 255 km |
| 2017 | Doksuri | Category 2 | 92 mph | 130 km |
| 2013 | Wutip | Category 2 | 75 mph | 119 km |
| 2013 | Haiyan | Category 1 | 81 mph | 288 km |
| 2013 | Nari | Category 1 | 75 mph | 181 km |
| 2012 | Son-tinh | Category 3 | 98 mph | 197 km |
| 2010 | Mindulle | Category 1 | 52 mph | 174 km |
| 2009 | Ketsana | Category 2 | 81 mph | 239 km |
| 2007 | Lekima | Category 1 | 63 mph | 133 km |
| 2006 | Xangsane | Category 2 | 81 mph | 116 km |
| 2003 | Nepartak | Category 1 | 69 mph | 264 km |
| 2000 | Wukong | Category 1 | 63 mph | 253 km |
| 1997 | Fritz | Category 1 | 63 mph | 187 km |
| 1996 | Niki | Category 2 | 75 mph | 297 km |
| 1995 | Zack | Category 2 | 58 mph | 286 km |
| 1995 | Ted | Category 1 | 58 mph | 216 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 67°F (19°C) | 2.1 in | Coldest |
| February | 69°F (21°C) | 1.0 in | Driest |
| March | 74°F (23°C) | 1.9 in | |
| April | 78°F (25°C) | 3.1 in | |
| May | 80°F (27°C) | 6.0 in | |
| June | 80°F (27°C) | 6.7 in | Warmest |
| July | 80°F (27°C) | 12.9 in | |
| August | 79°F (26°C) | 11.9 in | |
| September | 77°F (25°C) | 16.3 in | Wettest |
| October | 75°F (24°C) | 11.4 in | |
| November | 71°F (22°C) | 7.1 in | |
| December | 68°F (20°C) | 2.9 in |
Khe Sanh has a seasonal temperature swing of 13°F / from 67°F in January to 80°F in June. Total annual precipitation is 83.3 inches, with September being the wettest month (16.3") and February the driest (1.0").