The highest day temperature in December 2024 was 84°F. The lowest night temperature was 59°F. The average values for day and night temperatures during December were 78.5°F и 67.8°F respectivly.

The average sea surface temperature in December 2024 for Sanya was 80.0°F. The maximum and minimum values were 77.6°F and 82.4°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 0.3 in. It makes december the least rainy month of the year.

The average wind speed in December is 8.3 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.