Fortaleza weather in December
December in Fortaleza: hot, dry, with clean air — an excellent time to visit.
#6 of 12 months in Fortaleza · #60 of 604 destinations to visit in December · comfort 86/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Fortaleza climate normals — December
| Daytime high | 31°C / 87°F | 🥵 hot |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Feels like (high) | 33°C / 91°F | |
| Rainfall | 27 mm / 1.1 in | ☀️ dry |
| Rainy days | 7 days | |
| Humidity | 75% | 💧 humid |
| Dew point | 22°C / 72°F | |
| Sunshine | 10.9 h/day | |
| Daylight | 12.3 h | |
| Wind | 24 km/h / 15 mph | |
| Air quality (US AQI) | 40 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Fortaleza?
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Fortaleza in December — FAQ
- Is December a good time to visit Fortaleza?
- December in Fortaleza: hot, dry, with clean air — an excellent time to visit. It ranks #6 of 12 months for Fortaleza on SeasonMap's comfort score (86/100).
- What is the weather like in Fortaleza in December?
- In December, Fortaleza averages a daily high of 30.6°C and a low of 25.8°C, with about 26.7 mm of rain over roughly 7 rainy days.
- What is the air quality in Fortaleza in December?
- Fortaleza has a mean US Air Quality Index of about 40 in December.