The highest day temperature in July 2024 was 89°F. The lowest night temperature was 85°F. The average values for day and night temperatures during July were 88.0°F и 87.0°F respectivly.

The average sea surface temperature in July 2024 for Cayo Guillermo was 90.0°F. The maximum and minimum values were 88.6°F and 91.0°F respectively.

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

Precipitation total in July for Cayo Guillermo is 2.6 in.

The average wind speed in July is 12.6 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 Guillermo in July is 8.2 hours.