Climate averages 1991–2020
Caxias weather
in December.
A hot, wet month: the 6th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Caxias: daytime highs average 33.1°C and nights cool to about 24.1°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 103 mm of rain on roughly 13 days, which makes December a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 24 min on an average December day.
The nearest other city in this atlas is Teresina (67 km away). In December its highs average 33.8°C, 0.7°C warmer than Caxias, with 93 mm of rain.
Among the 448 cities listed in Brazil, Caxias ranks 18th of 448 for the warmest December highs and joint 89th of 448 for the driest December (rainfall, lowest first). The mean December high of those 448 cities is 28.5°C; Caxias is 4.6°C warmer than that mean.
From December to January, average highs fall by 2.6°C to 30.4°C, and monthly rainfall rises from 103 mm to 236 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
Caxias climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.4°C23.1°C | 23.1°C | 236 | 24.3 | 12.412 h |
| February | 29.8°C22.9°C | 22.9°C | 274 | 23.6 | 12.312 h |
| March | 29.6°C22.8°C | 22.8°C | 345 | 27.9 | 12.112 h |
| April | 29.6°C22.9°C | 22.9°C | 282 | 25.3 | 12.012 h |
| May | 30.5°C23.0°C | 23.0°C | 128 | 14.9 | 11.912 h |
| June | 32.3°C23.1°C | 23.1°C | 22 | 4.4 | 11.812 h |
| July | 33.3°C23.1°C | 23.1°C | 10 | 1.8 | 11.912 h |
| August | 34.8°C23.3°C | 23.3°C | 3.0 | 0.5 | 12.012 h |
| September | 36.1°C23.9°C | 23.9°C | 5.0 | 1.1 | 12.112 h |
| October | 36.3°C24.4°C | 24.4°C | 14 | 2.4 | 12.212 h |
| November | 34.8°C24.5°C | 24.5°C | 47 | 7.1 | 12.312 h |
| December, selected | 33.1°C24.1°C | 24.1°C | 103 | 13.0 | 12.412 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
- Teresina in DecemberBrazil · 67 kmHigh 33.8°C · Low 24.2°C · 93 mm rain
- Codó in DecemberBrazil · 74 kmHigh 32.9°C · Low 24.3°C · 112 mm rain
- Chapadinha in DecemberBrazil · 124 kmHigh 33.8°C · Low 24.7°C · 63 mm rain
- Bacabal in DecemberBrazil · 173 kmHigh 32.6°C · Low 24.5°C · 131 mm rain
- Barra do Corda in DecemberBrazil · 221 kmHigh 31.2°C · Low 23.5°C · 135 mm rain
- Santa Inês in DecemberBrazil · 261 kmHigh 32.3°C · Low 24.5°C · 120 mm rain
- São José de Ribamar in DecemberBrazil · 268 kmHigh 29.3°C · Low 25.8°C · 75 mm rain
- Parnaíba in DecemberBrazil · 279 kmHigh 32.1°C · Low 25.5°C · 35 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 Caxias) is explained once on the Caxias year overview and on the Sources, method and limits page.