What's on in Phnom Penh, Cambodia through the year

Phnom Penh, Cambodia has 6 curated events through the year — 3 festivals, 1 natural spectacle and 2 seasons. The ones to plan around: Khmer New Year (April) and Pchum Ben (September). June 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 Phnom Penh: weather, crowds and notes →

Phnom Penh events and crowds by month

MonthWhat startsCrowds
JanuaryBusy
FebruaryBusy
MarchBusy
AprilKhmer New YearBusy
MaySouthwest monsoonQuiet
JunePeak crowds
JulyShoulder season
AugustShoulder season
SeptemberPchum BenQuiet
OctoberThe Tonle Sap turns, Bon Om Touk, the Water FestivalBusy
NovemberDry seasonPeak crowds
DecemberBusy

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))

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))

Busy — Dry season, school holidays in 3 of the markets that fill it

  • Festival

    Khmer New Year

    13–16 AprWater-festival New YearClosures

    The capital empties as most of it goes back to the provinces, shops and markets shut for three days, and the streets are quieter than at any other point in the year. Source ↗

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

Quiet — school holidays in 2 of the markets that fill it, one of its worst months for weather

  • Season

    Southwest monsoon

    15 May – 31 Oct · usuallyRisk

    Late-afternoon downpours that flood the low streets for an hour and then clear. Mornings are usually workable, which is more than the rainfall figures suggest.

Peak crowds — travelers describe it as peak season, school holidays in 3 of the markets that fill it

Nothing new starts in June.

Still on: Southwest monsoon (15 May – 31 Oct (usually))

Shoulder season — school holidays in 5 of the markets that fill it, an ordinary month

Nothing new starts in July.

Still on: Southwest monsoon (15 May – 31 Oct (usually))

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

Nothing new starts in August.

Still on: Southwest monsoon (15 May – 31 Oct (usually))

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 offerings to the ancestors, ending in a three-day national holiday when the city empties for the pagodas back home. Restaurants and shops close with it. Source ↗

Still on: Southwest monsoon (15 May – 31 Oct (usually))

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

  • Nature

    The Tonle Sap turns

    15 Oct – 15 Nov · usuallyHigh water

    At the end of the rains the river stops backing into the great lake and reverses to flow south again — the reason the boat races happen when they do, and visible from the riverfront.

  • Festival

    Bon Om Touk, the Water Festival

    25 Oct – 25 Nov · usuallyMajor festivalCrowdedBook early

    Longboat crews from every province race in front of the palace over three days and something like two million people come into the city for it. Riverside rooms go months ahead. Source ↗

Still on: Southwest monsoon (15 May – 31 Oct (usually)), Pchum Ben (10 Sep – 10 Oct (usually))

Peak crowds — Bon Om Touk, the Water Festival, Dry season

  • Season

    Dry season

    15 Nov – 30 Apr · usuallyCrowded

    The riverfront is usable in the evening again and the roads out to the provinces are firm. It tips into the hot months from March, when the middle of the day is spent indoors.

Still on: The Tonle Sap turns (15 Oct – 15 Nov (usually)), Bon Om Touk, the Water Festival (25 Oct – 25 Nov (usually))

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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