The highest day temperature in January 2025 was 90°F. The lowest night temperature was 65°F. The average values for day and night temperatures during January were 82.8°F и 75.5°F respectivly.

The average sea surface temperature in January 2025 for Chetumal was 82.2°F. The maximum and minimum values were 78.8°F and 84.4°F respectively.

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

Precipitation total in January for Chetumal is 2.3 in.

The average wind speed in January is 7.4 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 Chetumal in January is 5.8 hours.