The highest day temperature in October 2026 was 93°F. The lowest night temperature was 69°F. The average values for day and night temperatures during October were 89.4°F и 76.0°F respectivly.

The average sea surface temperature in October 2026 for Ha Long was 87.7°F. The maximum and minimum values were 85.2°F and 91.6°F respectively.

Most of the days in October are sunny but you can also expect cloudy and gloomy days.

Precipitation total in October for Ha Long is 3.9 in.

The average wind speed in October is 9.1 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Ha Long in October is 6.8 hours.