Siem Reap Weather Forecast
Siem Reap weather: 78°F, light drizzle. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Live radar and satellite over Siem Reap
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Radar frames: RainViewer (global composite, ~10 minute refresh). Satellite: NASA GIBS MODIS true colour, previous day. Coverage and refresh vary by region.
Weather in Siem Reap right now
Source: Open-Meteo. Updated 10:34 PM, Aug 21 local time.
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
See the Siem Reap forecast by time range
Siem Reap weather - more answers
Explore Siem Reap
Every topic we hold for this place, and the same topic for the places around it.
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Frequently asked questions
Where is Siem Reap?
Siem Reap is a city in Cambodia. Its coordinates are 13.3671, 103.8448. It lies in Asia.
What is the weather like in Siem Reap right now?
It is currently 78°F (25°C) with light drizzle. Humidity is 89% and wind is 10 mph.
When is the best time to visit Siem Reap?
January, February and December offer the most comfortable conditions in Siem Reap, which has a tropical climate. May, July and September are usually the hardest months for outdoor plans.
What time zone is Siem Reap in?
Siem Reap observes Asia/Phnom_Penh (UTC+07:00). The local time is 10:34 PM.
How many people live in Siem Reap?
Siem Reap has a population of approximately 245.000.
What is the nearest airport to Siem Reap?
The closest airports are Suvarnabhumi Airport (BKK), 209 mi away.
What are the top things to do in Siem Reap?
Popular options include Angkor Wat, Angkor and Grand Palace.
What places are in Siem Reap?
Siem Reap covers 2 places in this atlas, including Angkor Wat and Angkor.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 21, 2026 at 10:34 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
