Season guide · Siem Reap · Cambodia
Siem Reap in the late wet season
August–October: weather, crowds, prices and the best things to do this time of year.
Updated By the AMZBooking editorial team
Photo: Diego Delso, CC BY-SA 3.0
Quick answer
The wettest months, with occasional flooding in town in September, but full reservoirs, dramatic skies and the lake at its highest for floating-village trips. Expect highs up to 32°C (90°F) and lows around 24°C (75°F), with about 52 rainy days across August–October.
Key facts
- Months
- August–October
- Temperatures
- 24°C (75°F) to 32°C (90°F)
- Rainy days in the season
- About 52
- Crowds
- Quiet
- Hotel prices
- Low
Weather in the late wet season
| Month | High | Low | Rainy days | Daylight | Crowds |
|---|---|---|---|---|---|
| August | 32°C (90°F) | 25°C (77°F) | 18 | 12.6 h | 2/5 |
| September | 32°C (90°F) | 25°C (77°F) | 19 | 12.2 h | 1/5 |
| October | 31°C (88°F) | 24°C (75°F) | 15 | 11.8 h | 2/5 |
Compared with the rest of the year: average highs of 32°C (90°F) against a yearly 33°C (91°F), and 52 of the year's roughly 118 rainy days fall in these 3 months. Crowds rate 2/5 and hotel prices 2/5 on average.
What's on in the late wet season
Recurring events; dates move from year to year, so confirm with the organiser.
- September: Autumn equinox sunrise over Angkor Wat's central tower (around 21–22 September)
- September: Pchum Ben — 15-day festival honouring ancestors, with busy pagodas (September or October)
- October: Pchum Ben (some years fall in October)
Good choices for the late wet season

Experience · Old Market and Pub Street
Artisans Angkor
Take the free workshop tour before shopping; prices are fixed and higher than the market, but quality is consistent.
- Time needed
- 1 hour
- Cost
- Free
- Free
- Art
- Rainy day
- Shopping
Museum · Road to Banteay Srei
Cambodia Landmine Museum
Founded by Aki Ra, a former child soldier who went on to clear thousands of mines, this small museum displays defused mines and ordnance and explains the impact of decades of conflict on rural Cambodia.
- Time needed
- 1 hour
- Cost
- Low cost
- History
- Rainy day

Museum · Road to Angkor (Charles de Gaulle Boulevard)
Angkor National Museum
Visit on your first afternoon to make sense of the temples, or use it as a midday break from the heat.
- Time needed
- 1.5–2 hours
- Cost
- Mid-priced
- History
- Rainy day
- Art
- Kids

Experience · Siem Reap town
Phare, The Cambodian Circus
Phare's evening shows combine acrobatics, theatre, live music and dance to tell Cambodian stories, performed in a big top by graduates of the Phare Ponleu Selpak arts school founded in Battambang in 1994.
- Time needed
- 1–1.5 hours
- Cost
- Mid-priced
- Kids
- After dark
- Couples
- Rainy day
- Art
Day trips in the late wet season
- Koh Ker (About 2.5 hours by car) — Briefly the Khmer capital in the 10th century, Koh Ker is a scattered group of temples in the forest, dominated by Prasat Thom, a seven-tiered stepped pyramid.
- Tonle Sap floating villages (About 45 minutes by road, then a boat) — Southeast Asia's largest lake swells massively in the wet season, and villages such as Kampong Phluk stand on stilts up to several metres high, surrounded by flooded forest.
What to pack
- Light, breathable clothes, a sun hat and high-factor sunscreen
- A compact umbrella and waterproof shoes — rain is frequent
- Comfortable walking shoes
Other times of year
Questions travellers ask
+Is the late wet season a good time to visit Siem Reap?
It is a trade-off: The wettest months, with occasional flooding in town in September, but full reservoirs, dramatic skies and the lake at its highest for floating-village trips. The best months overall are November–February.
+What is the weather like in Siem Reap in the late wet season?
Highs of up to 32°C (90°F) and lows around 24°C (75°F), with about 52 rainy days over the season.