The highest day temperature in December 2023 was 88°F. The lowest night temperature was 58°F. The average values for day and night temperatures during December were 80.2°F и 70.9°F respectivly.

The average sea surface temperature in December 2023 for Sanya was 81.9°F. The maximum and minimum values were 80.2°F and 83.4°F respectively.

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

Precipitation total in December for Sanya is 0.4 in. It makes december one of the least rainy months of the year.

The average wind speed in December is 8.4 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 Sanya in December is 6.7 hours.