SeasonMapWhat's on in Ko Lanta (Koh Lanta), Thailand through the year
Ko Lanta, Thailand has 6 curated events through the year — 1 festival, 1 natural spectacle, 1 holiday, 2 seasons and 1 closure. The ones to plan around: High season (November) and Hin Daeng and Hin Muang season (November). January, April and December are its peak-crowd months.
Updated September 2026 · every event curated and sourced · dates for 2026 where they are announced, the usual window where they are not
Best time to visit Ko Lanta (Koh Lanta): weather, crowds and notes →
Ko Lanta (Koh Lanta) events and crowds by month
| Month | What starts | Crowds |
|---|---|---|
| January | — | Peak crowds |
| February | — | Busy |
| March | — | Busy |
| April | Songkran | Peak crowds |
| May | Low-season shutdown, Marine park islands closed | Busy |
| June | — | Shoulder season |
| July | — | Shoulder season |
| August | — | Quiet |
| September | — | Quiet |
| October | — | Busy |
| November | High season, Hin Daeng and Hin Muang season | Busy |
| December | Christmas and New Year peak | Peak crowds |
January in Ko Lanta (Koh Lanta)
Ko Lanta (Koh Lanta) weather in January →Peak crowds — High season, Christmas and New Year peak
Nothing new starts in January.
Still on: High season (1 Nov – 30 Apr (usually)), Hin Daeng and Hin Muang season (1 Nov – 30 Apr (usually)), Christmas and New Year peak (18 Dec – 5 Jan)
February in Ko Lanta (Koh Lanta)
Ko Lanta (Koh Lanta) weather in February →Busy — High season, school holidays in 2 of the markets that fill it
Nothing new starts in February.
Still on: High season (1 Nov – 30 Apr (usually)), Hin Daeng and Hin Muang season (1 Nov – 30 Apr (usually))
March in Ko Lanta (Koh Lanta)
Ko Lanta (Koh Lanta) weather in March →Busy — High season, school holidays in 2 of the markets that fill it
Nothing new starts in March.
Still on: High season (1 Nov – 30 Apr (usually)), Hin Daeng and Hin Muang season (1 Nov – 30 Apr (usually))
April in Ko Lanta (Koh Lanta)
Ko Lanta (Koh Lanta) weather in April →Peak crowds — Songkran, High season
- Festival
Songkran
13–15 AprWater-festival New YearCrowdedWater in the street through Old Town and Saladan, and the island's last busy weekend before the season turns. Source ↗
Still on: High season (1 Nov – 30 Apr (usually)), Hin Daeng and Hin Muang season (1 Nov – 30 Apr (usually))
May in Ko Lanta (Koh Lanta)
Ko Lanta (Koh Lanta) weather in May →Busy — Long summer break in Thailand, school holidays in 2 of the markets that fill it
- Season
Low-season shutdown
15 May – 15 Oct · usuallyOff-season shutdownClosuresMost of the south of the island closes, the speedboats stop and the west-coast swell takes the sand. Rates are a third of winter and the beaches are empty for a reason.
- Closure
Marine park islands closed
16 May – 31 OctThe national park shuts the smaller islands off Lanta for the rainy season, so the day trips that make the place work in winter are simply not running. Source ↗
June in Ko Lanta (Koh Lanta)
Ko Lanta (Koh Lanta) weather in June →Shoulder season — school holidays in 3 of the markets that fill it, an ordinary month
Nothing new starts in June.
Still on: Low-season shutdown (15 May – 15 Oct (usually)), Marine park islands closed (16 May – 31 Oct)
July in Ko Lanta (Koh Lanta)
Ko Lanta (Koh Lanta) weather in July →Shoulder season — school holidays in 5 of the markets that fill it, an ordinary month
Nothing new starts in July.
Still on: Low-season shutdown (15 May – 15 Oct (usually)), Marine park islands closed (16 May – 31 Oct)
August in Ko Lanta (Koh Lanta)
Ko Lanta (Koh Lanta) weather in August →Quiet — travelers describe it as quiet, school holidays in 4 of the markets that fill it
Nothing new starts in August.
Still on: Low-season shutdown (15 May – 15 Oct (usually)), Marine park islands closed (16 May – 31 Oct)
September in Ko Lanta (Koh Lanta)
Ko Lanta (Koh Lanta) weather in September →Quiet — school holidays in 3 of the markets that fill it, one of its worst months for weather
Nothing new starts in September.
Still on: Low-season shutdown (15 May – 15 Oct (usually)), Marine park islands closed (16 May – 31 Oct)
October in Ko Lanta (Koh Lanta)
Ko Lanta (Koh Lanta) weather in October →Busy — October semester break in Thailand, school holidays in 3 of the markets that fill it
Nothing new starts in October.
Still on: Low-season shutdown (15 May – 15 Oct (usually)), Marine park islands closed (16 May – 31 Oct)
November in Ko Lanta (Koh Lanta)
Ko Lanta (Koh Lanta) weather in November →Busy — High season
- Season
High season
1 Nov – 30 Apr · usuallyDry seasonCrowdedFlat water on the west-coast beaches, both ferries running to Krabi and Phi Phi, and every bungalow open. The long beaches still absorb the crowd better than most of the Andaman.
- Nature
Hin Daeng and Hin Muang season
1 Nov – 30 Apr · usuallyDive seasonThe deep pinnacles two hours south are the reason people come here to dive, and the boats only run in the settled months. Manta and whale shark sightings cluster at the end of it.
December in Ko Lanta (Koh Lanta)
Ko Lanta (Koh Lanta) weather in December →Peak crowds — High season, Christmas and New Year peak
- Holiday
Christmas and New Year peak
18 Dec – 5 JanChristmas & New YearCrowdedBook earlyThe dearest fortnight on the island; the beachfront places are booked from the summer before and the ferries run full. Source ↗
Still on: High season (1 Nov – 30 Apr (usually)), Hin Daeng and Hin Muang season (1 Nov – 30 Apr (usually))