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Weather & Climate in Salavan, Laos
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Salavan has a warm climate with an average annual temperature of 80°F (27°C). Winters average 75°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 229 sunny days per year, above the national average. Annual precipitation totals 61.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 600 feet.
Temperature
75°F Jan (24°C)
81°F Jul (27°C)
| Annual Average | 79.7°F |
| 48% above US avg | |
| January Average | 75°F (24°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 229 days/yr |
Geography
| Elevation | 600 ft (183 m) |
| Area | 1,053.8 sq mi (2,729.4 km²) |
| Population Density | 5/sq mi |
| Coordinates | 15.7165°N, 106.4174°W |
| Timezone | Asia/Vientiane |
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 | 122 km | 14 km |
| Jan 27, 2017 | 55 km SSW of Hu?, Vietnam | M4.4 | 109 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
24 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Kajiki | Category 2 | — | 288 km |
| 2025 | Bualoi | Category 1 | — | 226 km |
| 2022 | Noru | Category 2 | 86 mph | 149 km |
| 2020 | Vamco | Category 2 | 75 mph | 201 km |
| 2020 | Molave | Category 1 | 81 mph | 241 km |
| 2017 | Doksuri | Category 2 | 92 mph | 234 km |
| 2013 | Wutip | Category 2 | 75 mph | 223 km |
| 2013 | Nari | Category 1 | 75 mph | 191 km |
| 2010 | Mindulle | Category 1 | 52 mph | 281 km |
| 2009 | Ketsana | Category 2 | 81 mph | 228 km |
| 2007 | Lekima | Category 1 | 63 mph | 240 km |
| 2006 | Xangsane | Category 2 | 81 mph | 53 km |
| 1997 | Fritz | Category 1 | 63 mph | 191 km |
| 1995 | Zack | Category 2 | 58 mph | 250 km |
| 1991 | Fred | Category 1 | 69 mph | 254 km |
| 1990 | Ed | Category 1 | 75 mph | 199 km |
| 1990 | Becky | Category 1 | 75 mph | 232 km |
| 1989 | Angela | Category 2 | 81 mph | 187 km |
| 1989 | Dan | Category 1 | 81 mph | 281 km |
| 1989 | Cecil | Category 1 | 69 mph | 224 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 75°F (24°C) | 0.2 in | Coldest, Driest |
| February | 78°F (26°C) | 0.7 in | |
| March | 82°F (28°C) | 0.9 in | |
| April | 84°F (29°C) | 2.9 in | Warmest |
| May | 83°F (29°C) | 5.9 in | |
| June | 82°F (28°C) | 8.1 in | |
| July | 81°F (27°C) | 15.1 in | Wettest |
| August | 81°F (27°C) | 12.8 in | |
| September | 80°F (27°C) | 10.4 in | |
| October | 79°F (26°C) | 3.4 in | |
| November | 76°F (25°C) | 1.0 in | |
| December | 75°F (24°C) | 0.2 in |
Salavan has a seasonal temperature swing of 9°F / from 75°F in January to 84°F in April. Total annual precipitation is 61.6 inches, with July being the wettest month (15.1") and January the driest (0.2").