Siem Reap Weather & Climate

Cambodia

Siem Reap sees feels-like daytime highs peak around 43.4°C in April and nighttime lows bottom out near 25.7°C in January. August is the wettest month (~213 mm), while December is the driest (~5 mm). For sunshine, January leads with about 53% clear skies.

Best time to visit Siem Reap

Based on mild feels-like temperatures and low rain chances, the most comfortable months are January, December, and February — expect around 25.734.2°C with roughly 4% chance of rain on a given day in January.

Siem Reap climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January25.7° / 34.2°4%6 mm53%9 kph
February27° / 36.5°8%12 mm52%8.3 kph
March31.1° / 40.2°17%29 mm40%7.9 kph
April34° / 43.4°30%55 mm20%7.7 kph
May34.6° / 43.4°53%119 mm11%8.3 kph
June33.8° / 41.3°63%165 mm9%9.8 kph
July33.6° / 39.8°67%187 mm9%10.4 kph
August33.6° / 39.7°72%213 mm8%10.2 kph
September33.1° / 38.3°68%210 mm11%8.4 kph
October31.7° / 37.7°46%123 mm21%7.9 kph
November29.7° / 36.7°16%33 mm37%9.1 kph
December26.6° / 34.3°4%5 mm50%9.9 kph

Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).

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