The highest day temperature in October 2025 was 100°F. The lowest night temperature was 72°F. The average values for day and night temperatures during October were 95.1°F и 81.2°F respectivly.

The average sea surface temperature in October 2025 for Chetumal was 89.8°F. The maximum and minimum values were 88.0°F and 93.0°F respectively.

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

Precipitation total in October for Chetumal is 5.1 in. It makes october one of the most rainy months of the year.

The average wind speed in October is 6.3 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 Chetumal in October is 6.1 hours.