Weather in Ha Long: October
| Average day temperature: | 82.6°F | |
| Average night temperature: | 76.4°F | |
| Sea water temperature: | 82.7°F | |
| Number of sunny days: | 13 days | |
| Day length: | 11.4 - 12.0 hours | |
| Number of rainy days: | 5 days | |
| Precipitation totals: | 4.1 in. | |
| more information | ||
forecast
| Ha Long |
temperature
| Ha Long |
Air temperature in October, °F
The highest day temperature during October of 2025 was 89°F. At the same time the lowest night temperature was 62°F. Daily and nightly averages during October were 80.7°F and 73.1°F.
Sea water temperature in Ha Long in October, °F
The average sea water temperature in October of 2025 was 82.8°F. The highest and lowest sea temperatures during the month were 84.4°F and 79.7°F.
Number of sunny, partly cloudy and cloudy days in October is almost equal.
Precipitation total in October, in.
Precipitation total value in Ha Long in October is 4.1 in.
The average wind speed value in October is 9.1 mph It makes October one of the most windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 5.8.
Best time for vacation in Ha Long
Ha Long on a weather map

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