The highest day temperature in July 2026 was 106°F. The lowest night temperature was 74°F. The average values for day and night temperatures during July were 102.0°F и 78.0°F respectivly.

The average sea surface temperature in July 2026 for Cayo Largo was 92.1°F. The maximum and minimum values were 89.6°F and 94.8°F respectively.

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

Precipitation total in July for Cayo Largo is 2.6 in.

The average wind speed in July is 9.9 mph. It makes July one of the most windless months of the year for Cayo Largo.

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 July is 8.9 hours.