The highest day temperature in December 2025 was 81°F. The lowest night temperature was 44°F. The average values for day and night temperatures during December were 68.7°F и 63.3°F respectivly.

The average sea surface temperature in December 2025 for Corpus Christi was 69.4°F. The maximum and minimum values were 63.2°F and 75.2°F respectively.

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

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

The average wind speed in December is 11.0 mph. It makes December one of the most windless months of the year for Corpus Christi.

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 Corpus Christi in December is 5.7 hours.