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Weather & Climate in Ko Lanta, Thailand
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ko Lanta has a warm climate with an average annual temperature of 82°F (28°C). Winters average 81°F in January while summers reach 82°F in July / relatively mild seasonal variation. The area gets 188 sunny days per year. Annual precipitation totals 81.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 167 feet.
Temperature
81°F Jan (27°C)
82°F Jul (28°C)
| Annual Average | 81.5°F |
| 51% above US avg | |
| January Average | 81°F (27°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 188 days/yr |
Geography
| Elevation | 167 ft (51 m) |
| Area | 315.6 sq mi (817.5 km²) |
| Population Density | 19/sq mi |
| Coordinates | 7.5336°N, 99.0865°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| May 5, 2015 | 19 km SE of Ban Phru Nai, Thailand | M4.2 | 53 km | 10 km |
| Apr 16, 2012 | 19 km E of Ban Mai Khao, Thailand | M3.9 | 92 km | 10 km |
| May 6, 2015 | 1 km S of Ban Phru Nai, Thailand | M3.8 | 71 km | 15 km |
| Mar 24, 2015 | 28 km SE of Ban Phru Nai, Thailand | M3.4 | 45 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 81°F (27°C) | 1.1 in | Driest |
| February | 82°F (28°C) | 1.1 in | |
| March | 83°F (28°C) | 2.2 in | |
| April | 84°F (29°C) | 4.8 in | Warmest |
| May | 83°F (28°C) | 8.1 in | |
| June | 82°F (28°C) | 7.7 in | |
| July | 82°F (28°C) | 9.4 in | |
| August | 81°F (27°C) | 11.6 in | |
| September | 81°F (27°C) | 12.4 in | Wettest |
| October | 80°F (27°C) | 11.5 in | |
| November | 80°F (27°C) | 8.2 in | |
| December | 80°F (27°C) | 3.4 in | Coldest |
Ko Lanta has a seasonal temperature swing of 4°F / from 80°F in December to 84°F in April. Total annual precipitation is 81.5 inches, with September being the wettest month (12.4") and January the driest (1.1").