The highest day temperature in December 2025 was 91°F. The lowest night temperature was 53°F. The average values for day and night temperatures during December were 79.5°F и 61.5°F respectivly.

The average sea surface temperature in December 2025 for Miramar was 66.6°F. The maximum and minimum values were 62.0°F and 70.8°F respectively.

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

Precipitation total in December for Miramar is 2.1 in.

The average wind speed in December is 13.3 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 Miramar in December is 11.3 hours.