Chiang Rai weather in March
March in Chiang Rai: sweltering, dry, with poor air quality — fine if you can take poor air.
#5 of 12 months in Chiang Rai · #469 of 897 destinations to visit in March · comfort 76/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Chiang Rai in March
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Chiang Rai climate normals — March
| Daytime high | 34°C / 93°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 20°C / 68°F | |
| Rainfall | 24 mm / 0.9 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 61% | 💧 humid |
| Dew point | 18°C / 64°F | |
| Sunshine | 10.9 h/day | |
| Daylight | 12 h | |
| Wind | 9 km/h / 6 mph | |
| Air quality (US AQI) | 106 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Chiang Rai in March — FAQ
- Is March a good time to visit Chiang Rai?
- March in Chiang Rai: sweltering, dry, with poor air quality — fine if you can take poor air. It ranks #5 of 12 months for Chiang Rai on SeasonMap's comfort score (76/100).
- What is the weather like in Chiang Rai in March?
- In March, Chiang Rai averages a daily high of 34.1°C and a low of 20.1°C, with about 24 mm of rain over roughly 3 rainy days.
- What is the air quality in Chiang Rai in March?
- Chiang Rai has a mean US Air Quality Index of about 106 in March.