Hanoi weather in April
April in Hanoi: hot, rainy, with poor air quality — a good time to visit.
#6 of 12 months in Hanoi · #526 of 604 destinations to visit in April · comfort 64/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Hanoi climate normals — April
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 21°C / 71°F | |
| Feels like (high) | 33°C / 91°F | |
| Rainfall | 111 mm / 4.4 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 21°C / 69°F | |
| Sunshine | 6.4 h/day | |
| Daylight | 12.6 h | |
| Wind | 14 km/h / 8 mph | |
| Air quality (US AQI) | 129 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Hanoi in April — FAQ
- Is April a good time to visit Hanoi?
- April in Hanoi: hot, rainy, with poor air quality — a good time to visit. It ranks #6 of 12 months for Hanoi on SeasonMap's comfort score (64/100).
- What is the weather like in Hanoi in April?
- In April, Hanoi averages a daily high of 28.3°C and a low of 21.4°C, with about 110.6 mm of rain over roughly 13.4 rainy days.
- What is the air quality in Hanoi in April?
- Hanoi has a mean US Air Quality Index of about 129 in April.