What's on in Siem Reap (Angkor), Cambodia through the year

Siem Reap, 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 Angkor Wat equinox sunrise (March). March, 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 Siem Reap (Angkor): weather, crowds and notes →

Siem Reap (Angkor) events and crowds by month

MonthWhat startsCrowds
JanuaryBusy
FebruaryBusy
MarchAngkor Wat equinox sunrisePeak crowds
AprilKhmer New YearPeak crowds
MaySouthwest monsoonQuiet
JuneShoulder season
JulyShoulder season
AugustShoulder season
SeptemberPchum BenQuiet
OctoberQuiet
NovemberDry season, Angkor Wat Half MarathonBusy
DecemberPeak crowds

January in Siem Reap (Angkor)

Siem Reap (Angkor) 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 Siem Reap (Angkor)

Siem Reap (Angkor) 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))

March in Siem Reap (Angkor)

Siem Reap (Angkor) weather in March

Peak crowds — Angkor Wat equinox sunrise, Dry season

  • Nature

    Angkor Wat equinox sunrise

    18–24 Mar · usuallyDark-sky seasonCrowded

    Twice a year the sun comes up directly over the central tower as seen from the western causeway, and the pond in front of it is three deep from five in the morning. Source ↗

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

April in Siem Reap (Angkor)

Siem Reap (Angkor) weather in April

Peak crowds — Khmer New Year, Dry season

  • Festival

    Khmer New Year

    13–16 AprWater-festival New YearCrowdedClosures

    Siem Reap is where the country comes for it: games on the temple lawns, water and talc in the streets, and the domestic crowd filling the Angkor ticket queue for three days. Source ↗

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

May in Siem Reap (Angkor)

Siem Reap (Angkor) weather in May

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 · usually

    Afternoon rain, empty temples in the mornings and the moats full enough to give the reflections the postcards use. The unpaved roads out to the far temples are the catch.

June in Siem Reap (Angkor)

Siem Reap (Angkor) 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: Southwest monsoon (15 May – 31 Oct (usually))

July in Siem Reap (Angkor)

Siem Reap (Angkor) 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: Southwest monsoon (15 May – 31 Oct (usually))

August in Siem Reap (Angkor)

Siem Reap (Angkor) weather in August

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))

September in Siem Reap (Angkor)

Siem Reap (Angkor) 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 offerings ending in a three-day national holiday, when the pagodas are full before dawn and much of the town's business closes for it. Source ↗

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

October in Siem Reap (Angkor)

Siem Reap (Angkor) weather in October

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

Nothing new starts in October.

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

November in Siem Reap (Angkor)

Siem Reap (Angkor) weather in November

Busy — Dry season

  • Season

    Dry season

    15 Nov – 30 Apr · usuallyCrowded

    The temple roads are firm, sunrise at Angkor Wat is reliable and the town is full. From March the middle of the day at Angkor Thom is punishing and everyone is back by ten.

  • Festival

    Angkor Wat Half Marathon

    6 DecMajor festivalCrowdedClosuresBook early

    Thousands run a course through the temple complex on the first Sunday of December, which closes the Angkor roads to traffic for the morning. Hotels in town are booked out for it. Source ↗

December in Siem Reap (Angkor)

Siem Reap (Angkor) weather in December

Peak crowds — Dry season, Angkor Wat Half Marathon

Nothing new starts in December.

Still on: Dry season (15 Nov – 30 Apr (usually)), Angkor Wat Half Marathon (6 Dec)

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