Ha Long weather in April
April in Ha Long: warm, a little rain, with very humid — one of the best months to visit.
#1 of 12 months in Ha Long · #313 of 897 destinations to visit in April · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Ha Long in April
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Ha Long climate normals — April
| Daytime high | 27°C / 80°F | 🌤 warm |
|---|---|---|
| Nighttime low | 22°C / 72°F | |
| Rainfall | 69 mm / 2.7 in | 🌦 some rain |
| Rainy days | 13 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 20°C / 69°F | |
| Sunshine | 8.5 h/day | |
| Daylight | 12.6 h | |
| Wind | 16 km/h / 10 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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Ha Long in April — FAQ
- Is April a good time to visit Ha Long?
- April in Ha Long: warm, a little rain, with very humid — one of the best months to visit. It ranks #1 of 12 months for Ha Long on SeasonMap's comfort score (84/100).
- What is the weather like in Ha Long in April?
- In April, Ha Long averages a daily high of 26.8°C and a low of 22.1°C, with about 68.5 mm of rain over roughly 13.4 rainy days.
- What is the air quality in Ha Long in April?
- Ha Long has a mean US Air Quality Index of about 95 in April.