The highest day temperature in December 2023 was 82°F. The lowest night temperature was 44°F. The average values for day and night temperatures during December were 66.9°F и 61.4°F respectivly.

The average sea surface temperature in December 2023 for St. Augustine was 65.7°F. The maximum and minimum values were 61.4°F and 69.8°F respectively.

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

Precipitation total in December for St. Augustine is 0.9 in.

The average wind speed in December is 5.8 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 St. Augustine in December is 6.2 hours.