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Weather & Climate in Ban Hatgnao, Laos
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ban Hatgnao has a warm climate with an average annual temperature of 78°F (26°C). Winters average 75°F in January while summers reach 80°F in July / relatively mild seasonal variation. The area gets 329 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 103.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 292 feet.
Temperature
75°F Jan (24°C)
80°F Jul (27°C)
| Annual Average | 78.0°F |
| 44% above US avg | |
| January Average | 75°F (24°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 329 days/yr |
Geography
| Elevation | 292 ft (89 m) |
| Area | 307.9 sq mi (797.4 km²) |
| Population Density | 0/sq mi |
| Coordinates | 14.6803°N, 106.5821°W |
| Timezone | Asia/Vientiane |
Precipitation & Snow
Air Quality
Hurricane History
16 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Kalmaegi | Category 3 | — | 297 km |
| 2022 | Noru | Category 2 | 86 mph | 188 km |
| 2020 | Vamco | Category 2 | 75 mph | 294 km |
| 2020 | Molave | Category 1 | 81 mph | 224 km |
| 2013 | Nari | Category 1 | 75 mph | 214 km |
| 2009 | Ketsana | Category 2 | 81 mph | 217 km |
| 2006 | Xangsane | Category 2 | 81 mph | 108 km |
| 2004 | Chanthu | Category 1 | 63 mph | 244 km |
| 2001 | Lingling | Category 1 | — | 268 km |
| 1997 | Fritz | Category 1 | 63 mph | 207 km |
| 1995 | Zack | Category 2 | 58 mph | 206 km |
| 1993 | Kyle | Category 2 | 75 mph | 218 km |
| 1990 | Ed | Category 1 | 75 mph | 275 km |
| 1989 | Cecil | Category 1 | 69 mph | 246 km |
| 1985 | Cecil | Category 3 | 92 mph | 269 km |
| 1984 | Agnes | Category 2 | 69 mph | 200 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 75°F (24°C) | 0.1 in | Driest |
| February | 76°F (25°C) | 0.5 in | |
| March | 79°F (26°C) | 1.4 in | |
| April | 81°F (27°C) | 3.2 in | |
| May | 81°F (27°C) | 10.3 in | Warmest |
| June | 81°F (27°C) | 13.8 in | |
| July | 80°F (27°C) | 21.1 in | Wettest |
| August | 79°F (26°C) | 19.3 in | |
| September | 78°F (26°C) | 16.4 in | |
| October | 77°F (25°C) | 5.8 in | |
| November | 75°F (24°C) | 1.4 in | |
| December | 74°F (23°C) | 0.3 in | Coldest |
Ban Hatgnao has a seasonal temperature swing of 8°F / from 74°F in December to 81°F in May. Total annual precipitation is 93.6 inches, with July being the wettest month (21.1") and January the driest (0.1").