SeasonMapWhat's on in Ko Pha Ngan (Koh Phangan), Thailand through the year
Ko Pha Ngan, Thailand has 5 curated events through the year — 2 festivals, 1 holiday and 2 seasons. The ones to plan around: Songkran (April) and Gulf dry season (January). January, February, March, April, May, June, July, August, October 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 Pha Ngan (Koh Phangan): weather, crowds and notes →
Ko Pha Ngan (Koh Phangan) events and crowds by month
| Month | What starts | Crowds |
|---|---|---|
| January | Full Moon Party, Gulf dry season | Peak crowds |
| February | — | Peak crowds |
| March | — | Peak crowds |
| April | Songkran | Peak crowds |
| May | — | Peak crowds |
| June | — | Peak crowds |
| July | — | Peak crowds |
| August | — | Peak crowds |
| September | — | Busy |
| October | Northeast monsoon | Peak crowds |
| November | — | Busy |
| December | Christmas and New Year peak | Peak crowds |
January in Ko Pha Ngan (Koh Phangan)
Ko Pha Ngan (Koh Phangan) weather in January →Peak crowds — Full Moon Party, Gulf dry season
- Festival
Full Moon Party
1 Jan – 31 DecMajor festivalCrowdedBook earlyHaad Rin fills once a lunar month, every month, and the island's boats and rooms price around it. Arrive two days either side and it is a different, much quieter island. Source ↗
- Season
Gulf dry season
15 Jan – 31 Aug · usuallyCrowdedThe Gulf runs on its own calendar: the driest, calmest stretch here is the first half of the year, while the Andaman coast is in its monsoon. Boats from Surat Thani run to schedule.
Still on: Christmas and New Year peak (18 Dec – 5 Jan)
February in Ko Pha Ngan (Koh Phangan)
Ko Pha Ngan (Koh Phangan) weather in February →Peak crowds — Full Moon Party, Gulf dry season
Nothing new starts in February.
Still on: Full Moon Party (1 Jan – 31 Dec), Gulf dry season (15 Jan – 31 Aug (usually))
March in Ko Pha Ngan (Koh Phangan)
Ko Pha Ngan (Koh Phangan) weather in March →Peak crowds — Full Moon Party, Gulf dry season
Nothing new starts in March.
Still on: Full Moon Party (1 Jan – 31 Dec), Gulf dry season (15 Jan – 31 Aug (usually))
April in Ko Pha Ngan (Koh Phangan)
Ko Pha Ngan (Koh Phangan) weather in April →Peak crowds — Full Moon Party, Gulf dry season
- Festival
Songkran
13–15 AprWater-festival New YearCrowdedClosuresThong Sala turns into a water fight for three days and the ferries either side are the fullest of the season. Banks and government offices shut for the week. Source ↗
Still on: Full Moon Party (1 Jan – 31 Dec), Gulf dry season (15 Jan – 31 Aug (usually))
May in Ko Pha Ngan (Koh Phangan)
Ko Pha Ngan (Koh Phangan) weather in May →Peak crowds — Full Moon Party, Gulf dry season
Nothing new starts in May.
Still on: Full Moon Party (1 Jan – 31 Dec), Gulf dry season (15 Jan – 31 Aug (usually))
June in Ko Pha Ngan (Koh Phangan)
Ko Pha Ngan (Koh Phangan) weather in June →Peak crowds — Full Moon Party, Gulf dry season
Nothing new starts in June.
Still on: Full Moon Party (1 Jan – 31 Dec), Gulf dry season (15 Jan – 31 Aug (usually))
July in Ko Pha Ngan (Koh Phangan)
Ko Pha Ngan (Koh Phangan) weather in July →Peak crowds — Full Moon Party, Gulf dry season
Nothing new starts in July.
Still on: Full Moon Party (1 Jan – 31 Dec), Gulf dry season (15 Jan – 31 Aug (usually))
August in Ko Pha Ngan (Koh Phangan)
Ko Pha Ngan (Koh Phangan) weather in August →Peak crowds — Full Moon Party, Gulf dry season
Nothing new starts in August.
Still on: Full Moon Party (1 Jan – 31 Dec), Gulf dry season (15 Jan – 31 Aug (usually))
September in Ko Pha Ngan (Koh Phangan)
Ko Pha Ngan (Koh Phangan) weather in September →Busy — Full Moon Party, school holidays in 3 of the markets that fill it
Nothing new starts in September.
Still on: Full Moon Party (1 Jan – 31 Dec)
October in Ko Pha Ngan (Koh Phangan)
Ko Pha Ngan (Koh Phangan) weather in October →Peak crowds — Full Moon Party, October semester break in Thailand
- Season
Northeast monsoon
15 Oct – 31 Dec · usuallyRiskThe wettest weeks of the Gulf year, with days of rain rather than showers and the odd storm that suspends the ferries entirely. Rates fall to their lowest and half the beach bars shut.
Still on: Full Moon Party (1 Jan – 31 Dec)
November in Ko Pha Ngan (Koh Phangan)
Ko Pha Ngan (Koh Phangan) weather in November →Busy — Full Moon Party
Nothing new starts in November.
Still on: Full Moon Party (1 Jan – 31 Dec), Northeast monsoon (15 Oct – 31 Dec (usually))
December in Ko Pha Ngan (Koh Phangan)
Ko Pha Ngan (Koh Phangan) weather in December →Peak crowds — Full Moon Party, Christmas and New Year peak
- Holiday
Christmas and New Year peak
18 Dec – 5 JanChristmas & New YearCrowdedBook earlyThe busiest and dearest fortnight on the island, and it lands in the middle of the wet season. Boats are added, rooms triple, and the new-year party is the biggest of the year. Source ↗
Still on: Full Moon Party (1 Jan – 31 Dec), Northeast monsoon (15 Oct – 31 Dec (usually))