What's on in Sihanoukville, Cambodia through the year

Sihanoukville, Cambodia has 5 curated events through the year — 3 festivals and 2 seasons. The ones to plan around: Dry season (November) and Khmer New Year (April). April and November 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 Sihanoukville: weather, crowds and notes →

Sihanoukville events and crowds by month

MonthWhat startsCrowds
JanuaryBusy
FebruaryBusy
MarchBusy
AprilKhmer New YearPeak crowds
MayShoulder season
JuneRough island crossingsShoulder season
JulyQuiet
AugustShoulder season
SeptemberPchum BenQuiet
OctoberBon Om ToukBusy
NovemberDry seasonPeak crowds
DecemberBusy

January in Sihanoukville

Sihanoukville weather in January

Busy — Dry season, school holidays in 6 of the markets that fill it

Nothing new starts in January.

Still on: Dry season (15 Nov – 30 Apr (usually))

February in Sihanoukville

Sihanoukville weather in February

Busy — Dry season, school holidays in 2 of the markets that fill it

Nothing new starts in February.

Still on: Dry season (15 Nov – 30 Apr (usually))

Busy — Dry season, school holidays in 2 of the markets that fill it

Nothing new starts in March.

Still on: Dry season (15 Nov – 30 Apr (usually))

Peak crowds — Khmer New Year, Dry season

  • Festival

    Khmer New Year

    13–16 AprWater-festival New YearCrowdedBook early

    The whole country comes to this coast for it. Ferries run full, the beach is wall-to-wall Cambodian families, and rooms cost what they never otherwise do. Source ↗

Still on: Dry season (15 Nov – 30 Apr (usually))

Shoulder season — school holidays in 2 of the markets that fill it, an ordinary month

Nothing new starts in May.

Shoulder season — school holidays in 3 of the markets that fill it, an ordinary month

  • Season

    Rough island crossings

    1 Jun – 15 Oct · usuallyOff-season shutdownClosures

    Southwest wind puts a short chop on the run out to the islands and the ferries get cancelled on the bad days. Plenty of the island guesthouses simply close until November.

Quiet — school holidays in 5 of the markets that fill it, one of its worst months for weather

Nothing new starts in July.

Still on: Rough island crossings (1 Jun – 15 Oct (usually))

Shoulder season — school holidays in 4 of the markets that fill it, an ordinary month

Nothing new starts in August.

Still on: Rough island crossings (1 Jun – 15 Oct (usually))

September in Sihanoukville

Sihanoukville weather in September

Quiet — school holidays in 3 of the markets that fill it, one of its worst months for weather

  • Festival

    Pchum Ben

    10 Sep – 10 Oct · usuallyMajor festivalClosures

    Fifteen days of dawn offerings ending in a three-day national holiday; the town's Khmer staff go home and services thin out for the week. Source ↗

Still on: Rough island crossings (1 Jun – 15 Oct (usually))

October in Sihanoukville

Sihanoukville weather in October

Busy — Bon Om Touk, school holidays in 3 of the markets that fill it

  • Festival

    Bon Om Touk

    25 Oct – 25 Nov · usuallyMajor festivalCrowdedBook early

    The end-of-rains holiday, when the coast takes another domestic wave and the ferries to the islands run at capacity for three days. Source ↗

Still on: Rough island crossings (1 Jun – 15 Oct (usually)), Pchum Ben (10 Sep – 10 Oct (usually))

November in Sihanoukville

Sihanoukville weather in November

Peak crowds — Bon Om Touk, Dry season

  • Season

    Dry season

    15 Nov – 30 Apr · usuallyCrowded

    Calm water and reliable crossings to Koh Rong and Koh Rong Sanloem, which is what most people are actually here for. The mainland beaches are a building site by comparison.

Still on: Bon Om Touk (25 Oct – 25 Nov (usually))

December in Sihanoukville

Sihanoukville weather in December

Busy — Dry season, school holidays in 5 of the markets that fill it

Nothing new starts in December.

Still on: Dry season (15 Nov – 30 Apr (usually))

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