The highest day temperature in December 2023 was 68°F. The lowest night temperature was 54°F. The average values for day and night temperatures during December were 61.9°F и 59.2°F respectivly.

The average sea surface temperature in December 2023 for Siesta was 64.4°F. The maximum and minimum values were 62.8°F and 66.6°F respectively.

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

Precipitation total in December for Siesta is 0.3 in.

The average wind speed in December is 12.6 mph. It makes December one of the most windy months of the year for Siesta.

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 Siesta in December is 6.7 hours.