A long, narrow island in the Andaman Sea off Krabi province, Koh Lanta was historically home to sea gypsy communities (Chao Ley) who have lived in the region for centuries. Its Old Town on the eastern coast features well-preserved wooden stilt houses from its days as a port for Arab and Chinese traders. The island's national park protects pristine mangrove forests.
Nights sit around 25°C and afternoons around 31°C.
Koh Lanta barely changes season: afternoons sit around 32°C and nights around 25°C most of the year.
There is a clear wet season from April – November, peaking in August with around 342 mm. The dry months run from February.
Wind is rarely an issue; most months sit between calm and a light breeze. Air quality is worth watching: March averages an AQI of 58, while October clears to 29.
Daylight is steady all year, around 12.0 hours a day.
For what you're after, the best months in Koh Lanta are December – April. Expect fast internet (178 Mbps) and a low cost of living (about €750 a month).
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