Siem Reap weather
At 1:30 AM local time it was mostly clear and 25°C (77°F). Light rain for 9 of the next 24 hours (under 1 mm/h, 1.9 mm total) — cloudy, but fine to be out. Best months for weather: Nov–Jan. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Siem Reap, Siem Reap, Cambodia.
Current conditions
- Clouds
- 27%
- Chance of rain
- 39%
- Rain
- 0.0 mm/h
Hourly Forecast
Light rain for 9 of the next 24 hours (under 1 mm/h, 1.9 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season Nov–JanOff season Apr–Sep
About Siem Reap weather
Is it raining in Siem Reap right now?
No. It’s mostly clear and 25° right now. Light rain for 9 of the next 24 hours (under 1 mm/h, 1.9 mm total) — cloudy, but fine to be out.
What’s the weather like in Siem Reap this week?
Over the next 7 days, expect highs of 30–32° and lows of 23–24°. Rain is likely on 7 of 7 days (Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday). The driest day looks like Monday.
Has it been raining in Siem Reap lately?
In the past 7 days, Siem Reap had 5 rainy days and 22.4 mm of rain in total.
What should I pack for Siem Reap?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
Siem Reap weather by month
When is the best time to visit Siem Reap?
Based on weather alone, the best time to visit Siem Reap is Nov–Jan, according to NASA's 2001–2025 climate averages. Apr–Sep tends to be the least pleasant. Average highs run from 30°C (86°F) in September to 36°C (97°F) in March.
What is the rainiest month in Siem Reap?
September is the wettest month, with about 231 mm (9.1 in) of rain on average. December is the driest, with about 7 mm (0.3 in).
What is the hottest month in Siem Reap?
March is the warmest, with average highs of 36°C (97°F) and lows of 25°C (77°F). September is the coolest, with highs of 30°C (86°F) and lows of 24°C (75°F).
Does Siem Reap have a rainy season?
Yes. Jun–Sep is the rainy season (150 mm or more a month), while Nov–Mar is usually dry (under 60 mm).
Siem Reap weather month by month
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months