Climate averages 1991–2020
Caucaia weather
in December.
A hot, fairly dry month: the 5th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Caucaia: daytime highs average 30.2°C and nights cool to about 25.2°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 20 mm of rain on roughly 5 days, which makes December a fairly dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 20 min on an average December day.
The nearest other city in this atlas is Fortaleza (12 km away). In December its highs average 30.0°C, about as warm as Caucaia, with 27 mm of rain.
Among the 448 cities listed in Brazil, Caucaia ranks joint 83rd of 448 for the warmest December highs and joint 11th of 448 for the driest December (rainfall, lowest first). The mean December high of those 448 cities is 28.5°C; Caucaia is 1.7°C warmer than that mean.
From December to January, average highs fall by 0.8°C to 29.3°C, and monthly rainfall rises from 20 mm to 80 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Caucaia climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.3°C24.9°C | 24.9°C | 80 | 14.5 | 12.312 h |
| February | 28.9°C24.7°C | 24.7°C | 120 | 18.5 | 12.212 h |
| March | 28.6°C24.5°C | 24.5°C | 171 | 23.9 | 12.112 h |
| April | 28.5°C24.5°C | 24.5°C | 209 | 23.7 | 12.012 h |
| May | 28.9°C24.6°C | 24.6°C | 95 | 16.5 | 11.912 h |
| June | 28.9°C24.3°C | 24.3°C | 44 | 9.7 | 11.912 h |
| July | 29.4°C24.0°C | 24.0°C | 21 | 4.5 | 11.912 h |
| August | 30.4°C24.1°C | 24.1°C | 4.2 | 1.0 | 12.012 h |
| September | 30.5°C24.4°C | 24.4°C | 1.5 | 0.2 | 12.112 h |
| October | 30.5°C24.8°C | 24.8°C | 2.8 | 0.6 | 12.212 h |
| November | 30.5°C25.1°C | 25.1°C | 4.3 | 1.2 | 12.312 h |
| December, selected | 30.2°C25.2°C | 25.2°C | 20 | 5.4 | 12.312 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Fortaleza in DecemberBrazil · 12 kmHigh 30.0°C · Low 25.3°C · 27 mm rain
- Maracanaú in DecemberBrazil · 16 kmHigh 31.3°C · Low 24.9°C · 27 mm rain
- Maranguape in DecemberBrazil · 18 kmHigh 31.5°C · Low 24.7°C · 27 mm rain
- Pacatuba in DecemberBrazil · 28 kmHigh 31.7°C · Low 24.5°C · 30 mm rain
- Eusébio in DecemberBrazil · 28 kmHigh 30.8°C · Low 25.0°C · 30 mm rain
- Horizonte in DecemberBrazil · 44 kmHigh 31.5°C · Low 24.2°C · 30 mm rain
- Pacajus in DecemberBrazil · 53 kmHigh 32.1°C · Low 24.2°C · 26 mm rain
- Cascavel, Brazil in DecemberBrazil · 63 kmHigh 30.0°C · Low 25.2°C · 27 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Caucaia) is explained once on the Caucaia year overview and on the Sources, method and limits page.