Siem Reap weather in March
March in Siem Reap: sweltering, a little rain — a good time to visit.
#5 of 12 months in Siem Reap · #470 of 604 destinations to visit in March · comfort 66/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Siem Reap climate normals — March
| Daytime high | 34°C / 93°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 78°F | |
| Feels like (high) | 39°C / 102°F | |
| Rainfall | 34 mm / 1.3 in | 🌦 some rain |
| Rainy days | 5 days | |
| Humidity | 67% | 💧 humid |
| Dew point | 22°C / 71°F | |
| Sunshine | 11.1 h/day | |
| Daylight | 12.1 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 78 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Siem Reap in March — FAQ
- Is March a good time to visit Siem Reap?
- March in Siem Reap: sweltering, a little rain — a good time to visit. It ranks #5 of 12 months for Siem Reap on SeasonMap's comfort score (66/100).
- What is the weather like in Siem Reap in March?
- In March, Siem Reap averages a daily high of 34°C and a low of 25.4°C, with about 34.1 mm of rain over roughly 5.4 rainy days.
- What is the air quality in Siem Reap in March?
- Siem Reap has a mean US Air Quality Index of about 78 in March.