The highest day temperature in December 2025 was 78°F. The lowest night temperature was 29°F. The average values for day and night temperatures during December were 62.9°F и 51.4°F respectivly.

The average sea surface temperature in December 2025 for Avery Island was 65.9°F. The maximum and minimum values were 57.6°F and 72.6°F respectively.

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

Precipitation total in December for Avery Island is 1.1 in.

The average wind speed in December is 8.3 mph.

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 Avery Island in December is 5.3 hours.