The highest day temperature in December 2024 was 72°F. The lowest night temperature was 51°F. The average values for day and night temperatures during December were 67.4°F и 66.5°F respectivly.

The average sea surface temperature in December 2024 for Mustang Island was 69.4°F. The maximum and minimum values were 65.2°F and 76.0°F respectively.

You can expect various weather conditions during December. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in December for Mustang Island is 0.3 in. It makes december one of the least rainy months of the year.

The average wind speed in December is 11.8 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 Mustang Island in December is 5.5 hours.