The highest day temperature in July 2026 was 82°F. The lowest night temperature was 65°F. The average values for day and night temperatures during July were 76.3°F и 69.1°F respectivly.

The average sea surface temperature in July 2026 for Cabo Frio was 75.0°F. The maximum and minimum values were 73.8°F and 76.8°F respectively.

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

Precipitation total in July for Cabo Frio is 0.2 in. It makes july the least rainy month of the year.

The average wind speed in July is 9.6 mph. It makes July one of the most windy months of the year for Cabo Frio.

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 Cabo Frio in July is 7.7 hours.