Best time to visit Koh Lanta for beach weather
When is beach season in Koh Lanta? Warmest sea temperatures, best sunshine, and most reliable conditions for swimming and water activities.
Best month
February
The driest and sunniest month of the year — and the most expensive.
↑20mm rainfall and 9.5 hours of daily sunshine: the most reliably perfect weather of the year
↑Lowest humidity at 68% — warm but not oppressive even at 33°C
↑Hin Daeng and Hin Muang diving conditions at their absolute best — whale shark season peak
All months ranked — Beach weather
Best match
The driest and sunniest month of the year — and the most expensive.
#1 for beach weather
Best match
Still excellent — dry season holds, crowds ease, prices begin to soften.
#2 for beach weather
Best match
Dry season fully established — paradise conditions return with Christmas crowds and rising prices.
#3 for beach weather
Best match
Peak dry season — near-zero rain, perfect seas, packed beaches and high-season prices.
#4 for beach weather
Strong option
High season reopens — 95mm is very manageable and the island comes back to life.
#5 for beach weather
Strong option
Shoulder season — still mostly good but the pre-monsoon humidity and occasional showers signal change.
#6 for beach weather
Worth considering
Deep monsoon — most resorts closed, beaches empty, 195mm and heavy seas.
#7 for beach weather
Worth considering
Monsoon arrives — 185mm, rough seas, and half the island begins to shut down.
#8 for beach weather
Worth considering
Ghost town — 220mm of rain, almost everything closed, seas too rough for any boats.
#9 for beach weather
Worth considering
245mm: the second wettest month — deep monsoon and the island at its quietest.
#10 for beach weather
Worth considering
Still deep monsoon at 235mm — the island is technically reopening but conditions are poor.
#11 for beach weather
Avoid
The wettest month of the year at 260mm — hard cap forces a weather score of 2.
#12 for beach weather