Fortaleza weather in December 2025

Expect daytime maximum temperatures of 88°F in Fortaleza, Brazil in December and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 15 days with some rainfall.

  • 88°F maximum daytime temperature in December in Fortaleza88
    88°F max day temperature
  • 8 hours of sunshine per day
  • 15 days with some rainfall in December in Fortaleza15
    15 days with some rainfall
  • 75°F minimum night-time temperature in December in Fortaleza75
    75°F min night temperature
  • 12 hours of daylight per day in December in Fortaleza12
    12 hours of daylight per day
  • High heat & humidity in December in FortalezaH
    High heat & humidity
  • 1.5 inches monthly rainfall in December in Fortaleza1.5
    1.5 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Fortaleza11
    11+ (Extreme) UV index
  • 81°F sea temperature in December in Fortaleza81
    81°F sea temperature

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The December 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 December?

Daytime temperatures usually reach 88°F in Fortaleza in December with high heat and humidity, falling to 75°F at night.

How sunny is it in Fortaleza in December?

There are normally 8 hours of bright sunshine each day in Fortaleza in December - that's 66% of daylight hours.

How warm is the sea around Fortaleza in December?

The average sea temperature around Fortaleza in December is 81°F.

Does it rain in Fortaleza in December?

There are usually 15 days with some rain in Fortaleza in December and the average monthly rainfall is 1.5 inches.

Fortaleza December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 05:13 17:33
Tuesday, 16th December 2025 05:20 17:40
Wednesday, 31st December 2025 05:27 17:47

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