The highest day temperature in December 2025 was 90°F. The lowest night temperature was 48°F. The average values for day and night temperatures during December were 83.1°F и 69.6°F respectivly.

The average sea surface temperature in December 2025 for Hialeah was 79.1°F. The maximum and minimum values were 76.4°F and 81.4°F respectively.

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

Precipitation total in December for Hialeah is 0.9 in.

The average wind speed in December is 10.8 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 Hialeah in December is 6.4 hours.