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Weather & Climate in Ban Xèpôn, Laos
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ban Xèpôn has a warm climate with an average annual temperature of 76°F (24°C). Winters average 68°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 208 sunny days per year. Annual precipitation totals 74.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 633 feet.
Temperature
68°F Jan (20°C)
80°F Jul (27°C)
| Annual Average | 76.0°F |
| 41% above US avg | |
| January Average | 68°F (20°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 208 days/yr |
Geography
| Elevation | 633 ft (193 m) |
| Area | 918.4 sq mi (2,378.7 km²) |
| Population Density | 39/sq mi |
| Coordinates | 16.6808°N, 106.2390°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 | 117 km | 14 km |
| Jan 27, 2017 | 55 km SSW of Hu?, Vietnam | M4.4 | 144 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
30 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Kajiki | Category 2 | — | 184 km |
| 2025 | Bualoi | Category 1 | — | 146 km |
| 2022 | Noru | Category 2 | 86 mph | 188 km |
| 2020 | Vamco | Category 2 | 75 mph | 122 km |
| 2017 | Doksuri | Category 2 | 92 mph | 127 km |
| 2013 | Wutip | Category 2 | 75 mph | 124 km |
| 2013 | Nari | Category 1 | 58 mph | 231 km |
| 2012 | Son-tinh | Category 3 | 98 mph | 222 km |
| 2010 | Mindulle | Category 1 | 52 mph | 194 km |
| 2009 | Ketsana | Category 2 | 81 mph | 286 km |
| 2007 | Lekima | Category 1 | 63 mph | 138 km |
| 2006 | Xangsane | Category 2 | 81 mph | 139 km |
| 2000 | Wukong | Category 1 | 63 mph | 283 km |
| 1997 | Fritz | Category 1 | 63 mph | 236 km |
| 1995 | Ted | Category 1 | 58 mph | 261 km |
| 1995 | Lois | Category 1 | 58 mph | 291 km |
| 1993 | Lewis | Category 1 | 63 mph | 260 km |
| 1991 | Fred | Category 2 | 75 mph | 147 km |
| 1990 | Ed | Category 1 | 75 mph | 177 km |
| 1990 | Becky | Category 1 | 75 mph | 128 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 68°F (20°C) | 0.6 in | Coldest |
| February | 71°F (22°C) | 0.6 in | Driest |
| March | 76°F (24°C) | 1.3 in | |
| April | 80°F (27°C) | 3.0 in | |
| May | 81°F (27°C) | 7.1 in | Warmest |
| June | 81°F (27°C) | 7.1 in | |
| July | 80°F (27°C) | 13.2 in | |
| August | 80°F (27°C) | 12.8 in | |
| September | 79°F (26°C) | 16.2 in | Wettest |
| October | 76°F (25°C) | 7.9 in | |
| November | 72°F (22°C) | 3.7 in | |
| December | 69°F (21°C) | 1.2 in |
Ban Xèpôn has a seasonal temperature swing of 13°F / from 68°F in January to 81°F in May. Total annual precipitation is 74.5 inches, with September being the wettest month (16.2") and February the driest (0.6").