Chiang Mai weather in March
March in Chiang Mai: sweltering, dry — a good time to visit.
#5 of 12 months in Chiang Mai · #410 of 604 destinations to visit in March · comfort 69/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Chiang Mai climate normals — March
| Daytime high | 35°C / 95°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 22°C / 72°F | |
| Feels like (high) | 37°C / 99°F | |
| Rainfall | 8 mm / 0.3 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 59% | 🍃 comfortable |
| Dew point | 18°C / 65°F | |
| Sunshine | 10.9 h/day | |
| Daylight | 12 h | |
| Wind | 9 km/h / 6 mph | |
| Air quality (US AQI) | 100 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Chiang Mai in March — FAQ
- Is March a good time to visit Chiang Mai?
- March in Chiang Mai: sweltering, dry — a good time to visit. It ranks #5 of 12 months for Chiang Mai on SeasonMap's comfort score (69/100).
- What is the weather like in Chiang Mai in March?
- In March, Chiang Mai averages a daily high of 34.8°C and a low of 22°C, with about 7.8 mm of rain over roughly 1.4 rainy days.
- What is the air quality in Chiang Mai in March?
- Chiang Mai has a mean US Air Quality Index of about 100 in March.