The highest day temperature in August 2026 was 89°F. The lowest night temperature was 76°F. The average values for day and night temperatures during August were 87.1°F и 79.2°F respectivly.

The average sea surface temperature in August 2026 for Fortaleza was 84.6°F. The maximum and minimum values were 84.2°F and 85.2°F respectively.

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

Precipitation total in August for Fortaleza is 0.5 in. It makes august one of the least rainy months of the year.

The average wind speed in August is 14.5 mph. It makes August one of the most windy months of the year for Fortaleza.

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 Fortaleza in August is 8.7 hours.