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
| Month | What starts | Crowds |
|---|---|---|
| January | — | Busy |
| February | — | Busy |
| March | Angkor Wat equinox sunrise | Peak crowds |
| April | Khmer New Year | Peak crowds |
| May | Southwest monsoon | Quiet |
| June | — | Shoulder season |
| July | — | Shoulder season |
| August | — | Shoulder season |
| September | Pchum Ben | Quiet |
| October | — | Quiet |
| November | Dry season, Angkor Wat Half Marathon | Busy |
| December | — | Peak 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 seasonCrowdedTwice 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 YearCrowdedClosuresSiem 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 · usuallyAfternoon 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 festivalClosuresFifteen 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 · usuallyCrowdedThe 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 earlyThousands 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)