The highest day temperature in December 2023 was 88°F. The lowest night temperature was 83°F. The average values for day and night temperatures during December were 85.6°F и 85.3°F respectivly.

The average sea surface temperature in December 2023 for Samui was 87.3°F. The maximum and minimum values were 86.2°F and 88.6°F respectively.

Most of the days in December are cloudy but you can also expect sunny or gloomy days.

Precipitation total in December for Samui is 7.9 in. It makes december one of the most rainy months of the year.

The average wind speed in December is 11.9 mph. It makes December one of the most windy months of the year for Samui.

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 Samui in December is 6.1 hours.