Fortaleza weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Good
Best time to visit: July – December
What is the weather like in Fortaleza in December?
In December, Fortaleza is hot: daytime highs average 30 °C, and even at night it stays warm at around 25 °C. The sea averages 27.9 °C – lovely and warm for swimming. The sun shines for around 9 hours a day. Rain is frequent, with about 9 rainy days and 29 mm in total. On about 18 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is a good month for a holiday in Fortaleza.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 79 | 69 | 49 |
| Day | 30° | 30° | 29° |
| Night | 25° | 25° | 25° |
| Sea | 28° | 28° | 28° |
| Sun | 10 h | 9 h | 7 h |
| Rain days | 3 | 9 | 19 |
More details for December
- Daylight
- 12 h 20 min05:19 – 17:39
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 24 km/haverage daily peakAll months
- Cloud cover
- 51 %on averageAll months
- Hot days
- 18 days30 °C or moreAll months
- Time zone
- UTC−3America/Fortaleza
How the score comes together
- Temperatureweight 50 %61 %
- Sunshineweight 20 %97 %
- Few rainy daysweight 30 %64 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Fortaleza in December: quick answers
Is Fortaleza hot in December?
Yes. In December, Fortaleza is hot: daytime highs average 30 °C and nights stay around 25 °C. On about 18 days the thermometer climbs to 30 °C or more.
Can you swim in Fortaleza in December?
Yes. In December the sea averages 27.9 °C – lovely and warm for swimming.
Does it rain much in Fortaleza in December?
Rain is frequent, with about 9 rainy days and 29 mm in total.
Fortaleza month by month
The whole year in FortalezaAll destinations: BrazilWhere to go in DecemberSea temperature in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences