The highest day temperature in March 2025 was 99°F. The lowest night temperature was 58°F. The average values for day and night temperatures during March were 89.6°F и 71.4°F respectivly.

The average sea surface temperature in March 2025 for Cayo Largo was 83.6°F. The maximum and minimum values were 82.0°F and 85.4°F respectively.

Most of the days in March are sunny but you can also expect cloudy and gloomy days.

Precipitation total in March for Cayo Largo is 0.5 in. It makes march the least rainy month of the year.

The average wind speed in March is 12.7 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 Cayo Largo in March is 8.6 hours.