The highest day temperature in October 2026 was 90°F. The lowest night temperature was 82°F. The average values for day and night temperatures during October were 87.7°F и 84.0°F respectivly.

The average sea surface temperature in October 2026 for Sihanoukville was 89.8°F. The maximum and minimum values were 88.4°F and 91.4°F respectively.

You can expect various weather conditions during October. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in October for Sihanoukville is 9.3 in.

The average wind speed in October is 7.2 mph. It makes October the most windless month of the year for Sihanoukville.

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 Sihanoukville in October is 5.9 hours.