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Siem Reap
Top activities in Siem Reap
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Siem Reap Weather and climate
Data source：Meteostat
Update date：2025-09
Siem Reap year round climate
- Spring (March–May): Average 29.1–30.7°C, hot climate. March and April are drier, with rainfall increasing from May. Common activities: Visiting Angkor Wat, enjoying poolside time. Recommended clothing: Light and breathable clothing, hat, sunglasses.
- Summer (June–August): Average 28.3–29.2°C, hot and humid with abundant rainfall. Common activities: Visiting Angkor Wat (prepare for sun and rain), enjoying hotel amenities. Recommended clothing: Light and breathable clothing, rain gear, sunscreen.
- Autumn (September–November): Average 27.7–28°C, slightly lower temperatures, but still relatively rainy. Common activities: Visiting Angkor Wat, exploring surrounding countryside. Recommended clothing: Light and breathable clothing, rain gear.
- Winter (December–February): Average 25.8–27.7°C, relatively cooler temperatures, dry and less rainfall. Common activities: Visiting Angkor Wat, enjoying outdoor activities. Recommended clothing: Light long-sleeved clothing, light jacket.
Siem Reap climatological average
Annual average temperature: approx. 28°C / Annual rainfall: approx. 1371 mm / Summer humidity: 75%–85% / Rainiest month: September
Siem Reap monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
25.8°C
23.4
February
27.7°C
8.8
March
29.1°C
13.1
April
30.7°C
33.9
May
29.4°C
176.5
June
29.2°C
148.7
July
28.3°C
207
August
28.6°C
194.8
September
28°C
265.9
October
27.8°C
200.2
November
27.7°C
70
December
26°C
29.6
Siem Reap weather for the next seven days
10/14
Tuesday
Heavy rain
26.2°C/23.8°C
10/15
Wednesday
Patchy rain nearby
31°C/24.2°C
10/16
Thursday
Patchy rain nearby
32.1°C/24.4°C
10/17
Friday
Patchy rain nearby
33.2°C/24.6°C
10/18
Saturday
Patchy rain nearby
31.5°C/24.8°C
10/19
Sunday
Patchy rain nearby
31°C/24.8°C
10/20
Monday
Patchy rain nearby
30.8°C/24.2°C
