Chiang Mai weather in April
April in Chiang Mai: sweltering, a little rain — a fair time to visit.
#10 of 12 months in Chiang Mai · #553 of 604 destinations to visit in April · comfort 59/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Chiang Mai climate normals — April
| Daytime high | 36°C / 96°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 24°C / 75°F | |
| Feels like (high) | 39°C / 102°F | |
| Rainfall | 34 mm / 1.4 in | 🌦 some rain |
| Rainy days | 5 days | |
| Humidity | 55% | 🍃 comfortable |
| Dew point | 18°C / 65°F | |
| Sunshine | 11 h/day | |
| Daylight | 12.6 h | |
| Wind | 10 km/h / 6 mph | |
| Air quality (US AQI) | 95 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Chiang Mai in April — FAQ
- Is April a good time to visit Chiang Mai?
- April in Chiang Mai: sweltering, a little rain — a fair time to visit. It ranks #10 of 12 months for Chiang Mai on SeasonMap's comfort score (59/100).
- What is the weather like in Chiang Mai in April?
- In April, Chiang Mai averages a daily high of 35.6°C and a low of 24°C, with about 34.4 mm of rain over roughly 4.8 rainy days.
- What is the air quality in Chiang Mai in April?
- Chiang Mai has a mean US Air Quality Index of about 95 in April.