The highest day temperature in December 2025 was 53°F. The lowest night temperature was 1°F. The average values for day and night temperatures during December were 28.8°F и 18.2°F respectivly.

The average sea surface temperature in December 2025 for Freeport was 40.4°F. The maximum and minimum values were 36.6°F and 43.0°F respectively.

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

Precipitation total in December for Freeport is 1.3 in. It makes december the most rainy month of the year.

The average wind speed in December is 9.2 mph. It makes December one of the most windy months of the year for Freeport.

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 Freeport in December is 4.9 hours.