Fortaleza weather in August 2025

Expect 84°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Fortaleza in August. Check more long-term weather averages for Fortaleza in August before you book your next holiday to Brazil in 2025/2026.

  • 84°F maximum daytime temperature in August in Fortaleza84
    84°F max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in August in Fortaleza12
    12 days with some rainfall
  • 72°F minimum night-time temperature in August in Fortaleza72
    72°F min night temperature
  • 12 hours of daylight per day in August in Fortaleza12
    12 hours of daylight per day
  • High heat & humidity in August in FortalezaH
    High heat & humidity
  • 0.9 inches monthly rainfall in August in Fortaleza0.9
    0.9 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in August in Fortaleza11
    11 (Extreme) UV index
  • 79°F sea temperature in August in Fortaleza79
    79°F sea temperature

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The August weather guide for Brazil (Fortaleza) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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How hot is it in Fortaleza in August?

Daytime temperatures usually reach 84°F in Fortaleza in August with high heat and humidity, falling to 72°F at night.

How sunny is it in Fortaleza in August?

There are normally 6 hours of bright sunshine each day in Fortaleza in August - that's 48% of daylight hours.

How warm is the sea around Fortaleza in August?

The average sea temperature around Fortaleza in August is 79°F.

Does it rain in Fortaleza in August?

There are usually 12 days with some rain in Fortaleza in August and the average monthly rainfall is 0.9 inches.

Fortaleza August sunrise & sunset times

Browse the sunrise and sunset times for Fortaleza in August 2025. Select a month to view Fortaleza sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:42 17:39
Saturday, 16th August 2025 05:39 17:38
Sunday, 31st August 2025 05:33 17:35

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