The highest day temperature in December 2025 was 93°F. The lowest night temperature was 61°F. The average values for day and night temperatures during December were 88.9°F и 73.2°F respectivly.

The average sea surface temperature in December 2025 for Manzanillo was 84.5°F. The maximum and minimum values were 81.4°F and 85.8°F respectively.

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

Precipitation total in December for Manzanillo is 0.8 in. It makes december one of the least rainy months of the year.

The average wind speed in December is 7.8 mph. It makes December one of the most windy months of the year for Manzanillo.

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 Manzanillo in December is 6.8 hours.