Siem Reap · SpringMonth summary
Siem Reap weather in March
✅ Good
🌡️ Temperature min / max
25°C – 34°C
🌧 Rainy days
35% of days
☀️ Sunshine
11.0h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
7.1/10
📅 📅 Best month
January (8.3/10)
Quick decision
Should you visit Siem Reap in March?
✅ Good
✅ Yes if: you want to explore cultural sites and local food.
❌ No if: you need guaranteed sunshine for photos or outdoor activities.
Our take: March is a good time to visit Siem Reap. January remains slightly better (+1.2 pts).
By trip type
Siem Reap in March by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 🌿 Shoulder
Local context
What to expect in March
🎯 Hot weather — prioritise morning activities and air-conditioned spaces in the afternoon Spring marks the start of the good season in Siem Reap. Temperatures rise (34°C) and tourists have not yet arrived en masse. Expect rain on 35% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. January (8.3/10) is significantly better if possible.
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All months for Siem Reap
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ☀️ January | 22°C | 31°C | 7% | 0.5 | 10.5h | 8.3/10 |
| ☀️ February | 23°C | 32°C | 15% | 0.9 | 10.8h | 8.0/10 |
| 🌤️ March | 25°C | 34°C | 35% | 1.9 | 11.0h | 7.1/10 |
| 🌤️ April | 26°C | 34°C | 47% | 3.4 | 11.5h | 7.0/10 |
| ⛅ May | 26°C | 33°C | 77% | 7.0 | 11.0h | 6.1/10 |
| ⛅ June | 26°C | 32°C | 76% | 5.3 | 10.4h | 7.0/10 |
| 🌧️ July | 26°C | 32°C | 85% | 7.1 | 9.2h | 5.8/10 |
| 🌧️ August | 25°C | 32°C | 81% | 6.9 | 9.5h | 6.2/10 |
| 🌧️ September | 24°C | 31°C | 91% | 11.3 | 8.6h | 5.5/10 |
| ⛅ October | 24°C | 31°C | 75% | 8.1 | 9.7h | 7.0/10 |
| 🌤️ November | 23°C | 31°C | 45% | 3.5 | 10.3h | 7.4/10 |
| ☀️ December | 22°C | 30°C | 15% | 1.0 | 10.1h | 8.3/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In March, Siem Reap averages 34°C, 35% rainy days and 11.0h of sunshine per day. Overall weather score: 7.1/10.
See methodology →
Comparison
March vs January (best month)
The best month is January (score 8.3/10). Difference:
- 🌡️ Max temperature : -3°C
- 🌧 Rainy days : -28%
- ☀️ Sunshine : -0.5h/day
FAQ
FAQ — Siem Reap in March
Is March a good time to visit Siem Reap?
March is an acceptable time for Siem Reap (score 7.1/10). Conditions are decent but not optimal — consider January (8.3/10) if possible.
What to do in Siem Reap in March?
With 34°C max and 11.0h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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