Siem Reap: Weather Guide & Climate
Complete month-by-month weather guide: Siem Reap. Best time to visit: November, December, January, February, March. Plan your trip with detailed climate data.
Climate Overview
Siem Reap has a tropical climate with average yearly highs of 32°C, lows of 25°C, and approximately 15 rainy days per month.
The best time to visit Siem Reap is during November, December, January, February, March, when humidity is lower and there are fewer rain showers
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Air Quality
Best Time
Nov, Dec, Jan, Feb, Mar
Hottest
Coldest
Driest Month
Forecast for your trip dates
Up to 16 days ahead| Month | High | Low | Rainy days | Condition |
|---|---|---|---|---|
| January | 33°C | 23°C | 0 | Excellent (best) |
| February | 34°C | 23°C | 0 | Excellent (best) |
| March | 35°C | 26°C | 8 | Excellent (best) |
| April | 34°C | 26°C | 17 | Wet |
| May | 35°C | 27°C | 19 | Wet |
| June | 32°C | 26°C | 25 | Wet |
| July | 32°C | 25°C | 26 | Wet |
| August | 32°C | 25°C | 26 | Wet |
| September | 31°C | 25°C | 28 | Wet |
| October | 29°C | 23°C | 25 | Wet |
| November | 30°C | 23°C | 6 | Excellent (best) |
| December | 30°C | 22°C | 3 | Excellent (best) |
Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025
Weather by Season
Winter
Dec–Feb
High: 32°C
Low: 23°C
Rainy days: 1 days/month
Spring
Mar–May
High: 35°C
Low: 26°C
Rainy days: 15 days/month
Summer
Jun–Aug
High: 32°C
Low: 25°C
Rainy days: 26 days/month
Autumn
Sep–Nov
High: 30°C
Low: 24°C
Rainy days: 20 days/month
Month-by-Month Weather Table
January
BestFebruary
BestMarch
BestApril
May
June
July
August
September
October
November
BestDecember
Best| Month | High | Low | Rainy days | Condition | View Details |
|---|---|---|---|---|---|
| January (best) | 33°C | 23°C | 0 | Excellent | View Details → |
| February (best) | 34°C | 23°C | 0 | Excellent | View Details → |
| March (best) | 35°C | 26°C | 8 | Excellent | View Details → |
| April | 34°C | 26°C | 17 | Wet | View Details → |
| May | 35°C | 27°C | 19 | Wet | View Details → |
| June | 32°C | 26°C | 25 | Wet | View Details → |
| July | 32°C | 25°C | 26 | Wet | View Details → |
| August | 32°C | 25°C | 26 | Wet | View Details → |
| September | 31°C | 25°C | 28 | Wet | View Details → |
| October | 29°C | 23°C | 25 | Wet | View Details → |
| November (best) | 30°C | 23°C | 6 | Excellent | View Details → |
| December (best) | 30°C | 22°C | 3 | Excellent | View Details → |
Siem Reap
Gateway to Angkor's jungle-wrapped temples and sunrise silhouettes over ancient towers. Discover Angkor Wat sunrise.
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Common Questions
What type of climate does Siem Reap have?
Siem Reap has a Tropical climate with average yearly temperatures of 32°C (highs) and 25°C (lows).
When is the best time to visit Siem Reap?
The best time to visit Siem Reap is during November, December, January, February, March, when temperatures average around 33°C and conditions are ideal for sightseeing.
What are the hottest and coldest months in Siem Reap?
The hottest month in Siem Reap is March with average highs of 35°C, while the coldest is December with average lows of 22°C.
When is the rainy season in Siem Reap?
Siem Reap sees the most rain in September (28 rainy days), while January is the driest month (0 rainy days).
More Siem Reap Guides
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Things to Do
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Itineraries
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Overview
Complete travel guide for Siem Reap: top things to do, itineraries, and typical costs.