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Weather & Climate in Ban Nasang, Laos
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ban Nasang has a warm climate with an average annual temperature of 79°F (26°C). Winters average 72°F in January while summers reach 82°F in July / relatively mild seasonal variation. The area gets 221 sunny days per year, above the national average. Annual precipitation totals 67.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 472 feet.
Temperature
72°F Jan (22°C)
82°F Jul (28°C)
| Annual Average | 79.1°F |
| 46% above US avg | |
| January Average | 72°F (22°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 221 days/yr |
Geography
| Elevation | 472 ft (144 m) |
| Area | 394.6 sq mi (1,022.1 km²) |
| Population Density | 3/sq mi |
| Coordinates | 16.9040°N, 104.7673°W |
| Timezone | Asia/Vientiane |
Precipitation & Snow
Air Quality
Hurricane History
20 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Kajiki | Category 2 | — | 213 km |
| 2025 | Bualoi | Category 1 | — | 209 km |
| 2020 | Vamco | Category 1 | — | 254 km |
| 2017 | Doksuri | Category 2 | 92 mph | 124 km |
| 2013 | Wutip | Category 2 | 75 mph | 112 km |
| 2010 | Mindulle | Category 1 | 52 mph | 300 km |
| 2007 | Lekima | Category 1 | 63 mph | 215 km |
| 2006 | Xangsane | Category 1 | 75 mph | 270 km |
| 1995 | Lois | Category 1 | 58 mph | 267 km |
| 1991 | Fred | Category 1 | 69 mph | 203 km |
| 1990 | Becky | Category 1 | 63 mph | 209 km |
| 1989 | Angela | Category 2 | 75 mph | 192 km |
| 1989 | Dan | Category 1 | 75 mph | 300 km |
| 1989 | Brian | Category 1 | 58 mph | 273 km |
| 1987 | Cary | Category 1 | 63 mph | 271 km |
| 1987 | Betty | Category 1 | 75 mph | 228 km |
| 1985 | Cecil | Category 2 | 81 mph | 133 km |
| 1985 | Dot | Category 1 | — | 286 km |
| 1985 | Andy | Category 1 | 58 mph | 252 km |
| 1982 | Nancy | Category 1 | 81 mph | 249 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 72°F (22°C) | 0.1 in | Driest |
| February | 76°F (24°C) | 0.8 in | |
| March | 82°F (28°C) | 1.3 in | |
| April | 85°F (29°C) | 3.2 in | Warmest |
| May | 84°F (29°C) | 8.1 in | |
| June | 83°F (28°C) | 11.9 in | |
| July | 82°F (28°C) | 12.0 in | |
| August | 81°F (27°C) | 16.6 in | Wettest |
| September | 81°F (27°C) | 9.7 in | |
| October | 79°F (26°C) | 3.0 in | |
| November | 75°F (24°C) | 0.4 in | |
| December | 71°F (22°C) | 0.1 in | Coldest |
Ban Nasang has a seasonal temperature swing of 13°F / from 71°F in December to 85°F in April. Total annual precipitation is 67.1 inches, with August being the wettest month (16.6") and January the driest (0.1").