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Siem Reap

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Travel guide
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Travel guide

Top 10 things to do in Siem Reap

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Featured activity reviews in Siem Reap

Best time to visit Siem Reap

Data source:Meteostat
Last updated:2025-09

Weather in Siem Reap throughout the year

  • 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.

Weather in Siem Reap

Annual average temperature: approx. 28°C / Annual rainfall: approx. 1371 mm / Summer humidity: 75%–85% / Rainiest month: September

Siem Reap weather by month

Month
Temperature (°C)
Rainfall (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

7-day weather forecast for Siem Reap

11/6
Friday
Patchy rain nearby
32°C/25.1°C
11/7
Saturday
Patchy rain nearby
31.7°C/24.7°C
11/8
Sunday
Sunny
32.6°C/24.4°C
11/9
Monday
Partly Cloudy
32.8°C/24.3°C
11/10
Tuesday
Overcast
30°C/22.4°C
11/11
Wednesday
Patchy rain nearby
30.3°C/21.3°C
11/12
Thursday
Patchy rain nearby
30.2°C/22.8°C