The highest day temperature in December 2025 was 82°F. The lowest night temperature was 58°F. The average values for day and night temperatures during December were 73.6°F и 65.6°F respectivly.

The average sea surface temperature in December 2025 for Coral Bay was 81.2°F. The maximum and minimum values were 77.8°F and 83.6°F respectively.

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

Precipitation total in December for Coral Bay is 0.0 in. This value is relatively stable throughout the year.

The average wind speed in December is 7.8 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 Coral Bay in December is 9.3 hours.