Ha Long weather in July
July in Ha Long: hot, soaked, with very humid — fine if you can take 22 rainy days.
#7 of 12 months in Ha Long · #541 of 897 destinations to visit in July · comfort 76/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Ha Long in July
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Ha Long climate normals — July
| Daytime high | 32°C / 89°F | 🥵 hot |
|---|---|---|
| Nighttime low | 28°C / 82°F | |
| Rainfall | 203 mm / 8 in | ⛈ soaked |
| Rainy days | 22 days | |
| Humidity | 84% | 💦 very humid |
| Dew point | 26°C / 79°F | |
| Sunshine | 10 h/day | |
| Daylight | 13.3 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 62 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Ha Long in July — FAQ
- Is July a good time to visit Ha Long?
- July in Ha Long: hot, soaked, with very humid — fine if you can take 22 rainy days. It ranks #7 of 12 months for Ha Long on SeasonMap's comfort score (76/100).
- What is the weather like in Ha Long in July?
- In July, Ha Long averages a daily high of 31.7°C and a low of 27.6°C, with about 203.3 mm of rain over roughly 21.8 rainy days.
- What is the air quality in Ha Long in July?
- Ha Long has a mean US Air Quality Index of about 62 in July.