The highest day temperature in December 2023 was 86°F. The lowest night temperature was 59°F. The average values for day and night temperatures during December were 74.4°F и 70.4°F respectivly.

The average sea surface temperature in December 2023 for Haikou was 76.2°F. The maximum and minimum values were 72.2°F and 78.4°F respectively.

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

Precipitation total in December for Haikou is 1.1 in. It makes december one of the least rainy months of the year.

The average wind speed in December is 12.5 mph. It makes December the most windy month of the year for Haikou.

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 Haikou in December is 4.2 hours.