Winter
Dec → Feb30 to 33°
nights 21 to 23°
- 4 rainy days · 30 mm
- 10.4 h of sun
When is the best time to visit Angkor and Siem Reap?
- Jan32°recommended
- Feb33°recommended
- Mar35°fair
- Apr35°not recommended
- May34°not recommended
- Jun33°not recommended
- Jul32°not recommended
- Aug32°not recommended
- Sep31°not recommended
- Oct30°fair
- Nov31°recommended
- Dec30°recommended
RecommendedFairNot recommended· afternoon temperature
The weather in Angkor and Siem Reap, month by month
The table of records, month by month
| Month | High | Low | Sunshine | Rainfall | Rainy days | Best |
|---|---|---|---|---|---|---|
| January | 32° | 21° | 10.4 h | 26 mm | 2 d | ✓ |
| February | 33° | 23° | 10.7 h | 35 mm | 5 d | ✓ |
| March | 35° | 25° | 11.1 h | 51 mm | 10 d | |
| April | 35° | 26° | 10.9 h | 119 mm | 16 d | |
| May | 34° | 26° | 10.1 h | 231 mm | 23 d | |
| June | 33° | 26° | 9.4 h | 180 mm | 24 d | |
| July | 32° | 25° | 8.2 h | 313 mm | 27 d | |
| August | 32° | 25° | 8.5 h | 254 mm | 27 d | |
| September | 31° | 24° | 7.8 h | 425 mm | 29 d | |
| October | 30° | 23° | 8.9 h | 325 mm | 24 d | |
| November | 31° | 23° | 9.8 h | 135 mm | 13 d | ✓ |
| December | 30° | 21° | 10 h | 29 mm | 4 d | ✓ |
The four seasons in Angkor and Siem Reap, in figures
What the 2015-2024 records (Angkor Wat) show, season by season, to compare at a glance instead of reading twelve rows of a table.
Spring
Mar → May34 to 35°
nights 25 to 26°
- 16 rainy days · 134 mm
- 10.7 h of sun
Summer
Jun → Aug32 to 33°
nights 25 to 26°
- 26 rainy days · 249 mm
- 8.7 h of sun
Autumn
Sep → Nov30 to 31°
nights 23 to 24°
- 22 rainy days · 295 mm
- 8.8 h of sun
Book early for November to February
The timing is right, so it is right for everyone: in these months the best places to stay and the small-group tours go first. Here is where to start.
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What to do in Angkor and Siem Reap, month by month
EventsKhmer New YearAprilSunrise alignment at Angkor WatMarch, SeptemberPchum BenSeptember to OctoberDetails ↓
favourablewith compromisesunfavourable
- Sightseeing & walks: December
Grid derived from the records (temperature, rainfall), not from an opinion.
What's on in Angkor and Siem Reap, month by month?
What comes back every year, and when. One of these events fills the hotels and pushes prices up: something to aim for or to avoid, depending on what you want.
- AprilKhmer New Year big crowds
Families gather at the pagodas, while traditional games and water throwing take over Siem Reap for three days in mid-April.
- March, SeptemberSunrise alignment at Angkor Wat
At the equinoxes, the sun rises exactly behind the temple's central tower and the causeway fills up well before dawn.
- September to OctoberPchum Ben
For fifteen days, locals bring offerings of rice to the pagodas for their dead, at the end of the rainy season.
Travelling off-peak
Month by month, in detail
January
Recommended32°21° at night
- 26 mm · 2 d
- 10.4 h
High season, book early
February
Recommended33°23° at night
- 35 mm · 5 d
- 10.7 h
High season, book early
March
Fair35°25° at night
- 51 mm · 10 d
- 11.1 h
Low season, lower prices
April
Not recommended35°26° at night
- 119 mm · 16 d
- 10.9 h
Busy, without the crush
May
Not recommended34°26° at night
- 231 mm · 23 d
- 10.1 h
Low season, lower prices
June
Not recommended33°26° at night
- 180 mm · 24 d
- 9.4 h
Low season, lower prices
July
Not recommended32°25° at night
- 313 mm · 27 d
- 8.2 h
Low season, lower prices
August
Not recommended32°25° at night
- 254 mm · 27 d
- 8.5 h
Low season, lower prices
September
Not recommended31°24° at night
- 425 mm · 29 d
- 7.8 h
Low season, lower prices
October
Fair30°23° at night
- 325 mm · 24 d
- 8.9 h
Low season, lower prices
November
Recommended31°23° at night
- 135 mm · 13 d
- 9.8 h
Busy, without the crush
December
Recommended30°21° at night
- 29 mm · 4 d
- 10 h
High season, book early
Read the twelve months in detail
January. Real heat: 32 °C at the warmest of the day, 21 °C at night. Hardly any rain (26 mm over 2 days). Plenty of sunshine: 10.4 h a day on average. High season: book early.
February. Real heat: 33 °C at the warmest of the day, 23 °C at night. Rain stays light: 35 mm over 5 days. Plenty of sunshine: 10.7 h a day on average. High season: book early.
March. Real heat: 35 °C at the warmest of the day, 25 °C at night. Expect 10 days of rain in the month (51 mm). Plenty of sunshine: 11.1 h a day on average. Low season: fewer people, lower prices.
April. Real heat: 35 °C at the warmest of the day, 26 °C at night. A very wet month, 119 mm of rain over 16 days. Plenty of sunshine: 10.9 h a day on average. Busy season, without the crush.
May. Real heat: 34 °C at the warmest of the day, 26 °C at night. A very wet month, 231 mm of rain over 23 days. Plenty of sunshine: 10.1 h a day on average. Low season: fewer people, lower prices.
June. Real heat: 33 °C at the warmest of the day, 26 °C at night. A very wet month, 180 mm of rain over 24 days. Plenty of sunshine: 9.4 h a day on average. Low season: fewer people, lower prices.
July. Real heat: 32 °C at the warmest of the day, 25 °C at night. A very wet month, 313 mm of rain over 27 days. Expect 8.2 h of sunshine a day. Low season: fewer people, lower prices.
August. Real heat: 32 °C at the warmest of the day, 25 °C at night. A very wet month, 254 mm of rain over 27 days. Expect 8.5 h of sunshine a day. Low season: fewer people, lower prices.
September. 31 °C in the afternoon and 24 °C at night. A very wet month, 425 mm of rain over 29 days. Expect 7.8 h of sunshine a day. Low season: fewer people, lower prices.
October. 30 °C in the afternoon and 23 °C at night. Frequent rain: 325 mm over 24 days. Expect 8.9 h of sunshine a day. Low season: fewer people, lower prices.
November. 31 °C in the afternoon and 23 °C at night. Expect 13 days of rain in the month (135 mm). Plenty of sunshine: 9.8 h a day on average. Busy season, without the crush.
December. 30 °C in the afternoon and 21 °C at night. Rain stays light: 29 mm over 4 days. Plenty of sunshine: 10 h a day on average. High season: book early.
Same season, other ideas
Their best time overlaps with this one: worth comparing before you book.
Frequently asked questions
When is the best time to visit Angkor and Siem Reap?
November to February: over these months, recorded highs range from 30 to 33 °C, with 6 days of rain a month on average (2015-2024 records, Angkor Wat).
Which month should you avoid in Angkor and Siem Reap?
September: it is the wettest of the months to avoid, with 425 mm over 29 days of rain on average, according to 2015-2024 records at the reference point (Angkor Wat).
What is the hottest month in Angkor and Siem Reap?
March, with 35 °C on average in the afternoon and 25 °C at night. 2015-2024 records (Angkor Wat).
What is the coldest month in Angkor and Siem Reap?
October, with 30 °C at best during the day and 23 °C at night. 2015-2024 records (Angkor Wat).
What is the driest month in Angkor and Siem Reap?
January: 26 mm over 2 days of rain, against 425 mm in September, the wettest month.
Which month has the most sunshine in Angkor and Siem Reap?
March, with 11.1 h of sunshine a day on average. Note that this counts clear skies, not the length of the day.
Plan this trip
📒 The free printable Angkor and Siem Reap guide: itinerary, map, where to sleep→
🧭 When to visit Cambodia: the country overview→
🗓️ Best time to visit: all our destinations→
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Photos: Khan ishaan / Pexels · Basile Morin / CC BY-SA 4.0 (Wikimedia Commons) · Serg Alesenko / Pexels