The highest day temperature in December 2023 was 94°F. The lowest night temperature was 65°F. The average values for day and night temperatures during December were 83.5°F и 75.1°F respectivly.

The average sea surface temperature in December 2023 for Chetumal was 83.3°F. The maximum and minimum values were 78.8°F and 86.6°F respectively.

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

Precipitation total in December for Chetumal is 2.6 in.

The average wind speed in December is 6.7 mph. It makes December one of the most windless months of the year for Chetumal.

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 Chetumal in December is 5.5 hours.