Bangkok weather in April
April in Bangkok: sweltering, rainy, with poor air quality — a fair time to visit.
#10 of 12 months in Bangkok · #567 of 604 destinations to visit in April · comfort 57/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Bangkok climate normals — April
| Daytime high | 34°C / 94°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Feels like (high) | 40°C / 104°F | |
| Rainfall | 81 mm / 3.2 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 68% | 💧 humid |
| Dew point | 23°C / 74°F | |
| Sunshine | 10.7 h/day | |
| Daylight | 12.4 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 109 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Bangkok in April — FAQ
- Is April a good time to visit Bangkok?
- April in Bangkok: sweltering, rainy, with poor air quality — a fair time to visit. It ranks #10 of 12 months for Bangkok on SeasonMap's comfort score (57/100).
- What is the weather like in Bangkok in April?
- In April, Bangkok averages a daily high of 34.4°C and a low of 26.6°C, with about 80.7 mm of rain over roughly 11.8 rainy days.
- What is the air quality in Bangkok in April?
- Bangkok has a mean US Air Quality Index of about 109 in April.