World Resorts Brazil Fortaleza Weather

Fortaleza weather in August

Weather in Fortaleza: August

Average day temperature: 86.0°F
Average night temperature: 75.9°F
Sea water temperature: 80.2°F
Number of sunny days: 18 days
Day length: 11.9 - 12.0 hours
Number of rainy days: 1 day
Precipitation totals: 0.5 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 88°F. At the same time the lowest night temperature was 70°F. Daily and nightly averages during August were 85.7°F and 73.5°F.

Sea water temperature in Fortaleza in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 80.6°F. The highest and lowest sea temperatures during the month were 81.1°F and 80.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Fortaleza in August is 0.6 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 13.1 mph It makes August one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 8.5.

Best time for vacation in Fortaleza

Sunniest months:
August 18 days
September 15 days
July 14 days
Warmest months:
December 87.5 °F
November 87.2 °F
October 86.9 °F
Warmest sea temp:
April 84.1 °F
March 83.8 °F
May 83.8 °F
Coldest months:
June 85.3 °F
July 85.4 °F
May 85.8 °F
Rainiest months:
April 12 days
March 12 days
February 10 days
Windiest months:
September 15.3 mph
October 14.8 mph
August 14.6 mph

Fortaleza on a weather map

Fortaleza
+75°F
W 6 mph
Feels like: +81°F
Precip.: 69%
Places in Brazil:
Name
°F
+72°F
+72°F
+77°F
+66°F
+77°F
+66°F
+77°F
+63°F
+68°F
+66°F
+64°F
+75°F
+66°F
24 Hours Forecast
Fortaleza
Local time: 03:54
December 05, friday
0600
81°F
W
8 mph
0900
86°F
W
10 mph
1200
90°F
W
14 mph
1500
86°F
W
12 mph
1800
77°F
W
6 mph
2100
77°F
W
5 mph
December 06, saturday
0000
75°F
W
6 mph
0300
75°F
W
6 mph
Units of measurement: °C / °F