Ha Long weather in October
October in Ha Long: warm, soaked — fine if you can take 15 rainy days.
#6 of 12 months in Ha Long · #470 of 897 destinations to visit in October · comfort 77/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Ha Long in October
No notes yet. Open Ha Long on the map to add the first one.
Ha Long climate normals — October
| Daytime high | 27°C / 81°F | 🌤 warm |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Rainfall | 159 mm / 6.3 in | ⛈ soaked |
| Rainy days | 15 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 20°C / 68°F | |
| Sunshine | 8.1 h/day | |
| Daylight | 11.7 h | |
| Wind | 17 km/h / 10 mph | |
| Air quality (US AQI) | 75 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Ha Long?
Loading map…
Ha Long in October — FAQ
- Is October a good time to visit Ha Long?
- October in Ha Long: warm, soaked — fine if you can take 15 rainy days. It ranks #6 of 12 months for Ha Long on SeasonMap's comfort score (77/100).
- What is the weather like in Ha Long in October?
- In October, Ha Long averages a daily high of 27.4°C and a low of 22.7°C, with about 159 mm of rain over roughly 15 rainy days.
- What is the air quality in Ha Long in October?
- Ha Long has a mean US Air Quality Index of about 75 in October.