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Weather & Climate in Achiang (1), Laos
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Achiang (1) has a warm climate with an average annual temperature of 72°F (22°C). Winters average 65°F in January while summers reach 76°F in July / relatively mild seasonal variation. The area gets 190 sunny days per year. Annual precipitation totals 101.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 1,969 feet.
Temperature
65°F Jan (18°C)
76°F Jul (25°C)
| Annual Average | 72.2°F |
| 34% above US avg | |
| January Average | 65°F (18°C) |
| July Average | 76°F (25°C) |
| Sunny Days | 190 days/yr |
Geography
| Elevation | 1,969 ft (600 m) |
| Area | 1,053.8 sq mi (2,729.4 km²) |
| Population Density | 2/sq mi |
| Coordinates | 16.2833°N, 106.9167°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 | 43 km | 14 km |
| Jan 27, 2017 | 55 km SSW of Hu?, Vietnam | M4.4 | 60 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 | — | 215 km |
| 2025 | Bualoi | Category 1 | — | 144 km |
| 2022 | Noru | Category 2 | 86 mph | 104 km |
| 2020 | Vamco | Category 2 | 75 mph | 123 km |
| 2020 | Molave | Category 1 | 81 mph | 217 km |
| 2017 | Doksuri | Category 2 | 92 mph | 166 km |
| 2013 | Wutip | Category 2 | 75 mph | 159 km |
| 2013 | Haiyan | Category 2 | 81 mph | 294 km |
| 2013 | Nari | Category 1 | 75 mph | 147 km |
| 2012 | Son-tinh | Category 3 | 98 mph | 224 km |
| 2010 | Mindulle | Category 1 | 52 mph | 206 km |
| 2009 | Ketsana | Category 2 | 81 mph | 202 km |
| 2007 | Lekima | Category 1 | 63 mph | 166 km |
| 2006 | Xangsane | Category 2 | 86 mph | 76 km |
| 2003 | Nepartak | Category 1 | 69 mph | 269 km |
| 2000 | Wukong | Category 1 | 69 mph | 277 km |
| 1997 | Fritz | Category 1 | 63 mph | 152 km |
| 1995 | Zack | Category 3 | 92 mph | 245 km |
| 1995 | Ted | Category 1 | 58 mph | 223 km |
| 1993 | Lewis | Category 1 | 69 mph | 281 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 65°F (18°C) | 1.3 in | Coldest |
| February | 68°F (20°C) | 0.8 in | Driest |
| March | 72°F (22°C) | 2.3 in | |
| April | 75°F (24°C) | 4.1 in | |
| May | 77°F (25°C) | 7.7 in | |
| June | 77°F (25°C) | 11.1 in | Warmest |
| July | 76°F (25°C) | 23.9 in | Wettest |
| August | 76°F (24°C) | 20.1 in | |
| September | 74°F (24°C) | 15.2 in | |
| October | 72°F (22°C) | 9.5 in | |
| November | 69°F (20°C) | 4.2 in | |
| December | 66°F (19°C) | 1.4 in |
Achiang (1) has a seasonal temperature swing of 12°F / from 65°F in January to 77°F in June. Total annual precipitation is 101.5 inches, with July being the wettest month (23.9") and February the driest (0.8").