Fortaleza Weather in December
What's the weather like in Fortaleza (Ceará) in December 2025?
The climate in Fortaleza during December can be summarized as hot, humid and reasonably dry.
December is in the summer in Fortaleza and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 25°C (76°F) is normal.
| Daytime temperature | 30.7°C 87.3°F |
|---|---|
| Nightly temperature | 24.5°C 76.1°F |
| Average temperature | 27.6°C 81.7°F |
| Daily sunshine | 8.7 hrs |
| Avg rainfall | 37 mm 1.5 ins |
| Rainy days | 15 days |
| Sea temperature | 27.5°C 81.5°F |
| Humidity | 76% |
| Windspeed | 14.4kph 9 mph |
On average December is the 5th driest month of the year in Fortaleza with around 37mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.7 hours of sunshine per day.
December temperatures in Fortaleza
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Fortaleza in December 2025.
Other monthly averages
Best places to visit in December
Fortaleza weather stats
| Hottest month: | December | 30.6°C 87.1°F |
|---|---|---|
| Driest month: | October | 12mm 0.5ins |
| Sunniest month: | October | 9.9hrs |
| Coldest month: | July | 29.3°C 84.7°F |
| Wettest month: | April | 330mm 13ins |
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