Thank you to our tour guide Jan and driver Leap for their hard work on the day trip. Both were very thoughtful and explained things in great detail. Leap kept providing bottled water and tissues. Jan was very knowledgeable about Cambodian history, and we learned a lot from her explanations. She also remembered everyone's names, which was a big plus. 👍
Anonymous User
Couple
Siem Reap Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Siem Reap year round climate
Spring (March–May): Average 84–87°F, 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 82–84°F, 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 81–82°F, 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 78–81°F, 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. 82.4°F / Annual rainfall: approx. 1371 mm / Summer humidity: 75%–85% / Rainiest month: September
Siem Reap monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
78.4°F
23.4
February
81.9°F
8.8
March
84.4°F
13.1
April
87.3°F
33.9
May
84.9°F
176.5
June
84.6°F
148.7
July
82.9°F
207
August
83.5°F
194.8
September
82.4°F
265.9
October
82°F
200.2
November
81.9°F
70
December
78.8°F
29.6
Siem Reap weather for the next seven days
6/6
Saturday
Patchy rain nearby
94.5°F/78°F
6/7
Sunday
Partly Cloudy
93.8°F/79.7°F
6/8
Monday
Patchy rain nearby
95.4°F/80.2°F
6/9
Tuesday
Moderate rain
96.5°F/78.1°F
6/10
Wednesday
Moderate rain
92.3°F/77.1°F
6/11
Thursday
Patchy rain nearby
92.3°F/77.5°F
6/12
Friday
Patchy rain nearby
81.2°F/76.9°F
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