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Siem Reap weather

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The weather map: all three models at once

European, American, German side by side around Siem Reap and nearby towns.Live rain radar →
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Hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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10-day forecast, out to 14 days

where the models agree, and where they split

Heading to Siem Reap? Siem Reap, Cambodia, sits at 13.4°N in a tropical climate zone. Before you lock in outdoor plans, compare how the three global models - European (ECMWF), American (GFS) and German (ICON) - forecast Siem Reap right now. Where they agree you can trust it; the days they split are exactly when a single weather app is least reliable. For a city break, the rain hours below tell you which days to plan indoors.

Best time to visit Siem Reap

Siem Reap is warm year-round. Even January stays mild (lows near 21°C), so the main thing to plan around is the September wet season.

Siem Reap weather by month

what to expect in Siem Reap through the year

Here is Siem Reap's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Siem Reap by season.

Jan
30°
21°
Hot
Feb
32°
23°
Hot
Mar
34°
24°
Hot
Apr
36°
27°
Hot
May
34°
26°
Hot
Jun
33°
26°
Hot
Jul
31°
25°
Hot
Aug
32°
25°
Hot
Sep
31°
25°
Hot
Wettest
Oct
31°
24°
Hot
Nov
31°
23°
Hot
Dec
30°
22°
Hot

Common questions

When is the best time to visit Siem Reap?
Siem Reap is warm year-round. Even January stays mild (lows near 21°C), so the main thing to plan around is the September wet season.
Will it rain in Siem Reap during my trip?
Rain is where forecasts disagree most. Instead of trusting one app, the comparison above lines up the European, American and German models for Siem Reap - check your dates and look for the days they agree; those are the ones you can plan around.
Which forecast is most accurate for Siem Reap?
For destinations abroad we compare the three global models (ECMWF, GFS and ICON) that nearly every weather app quietly builds on. No single app tells you when they disagree - we do, so you can judge the confidence yourself.

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