Climate averages 1991–2020
Caçapava weather
in December.
A warm, very wet month: the 3rd warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Caçapava: daytime highs average 27.2°C and nights cool to about 18.7°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 227 mm of rain on roughly 22 days, which makes December a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 31 min on an average December day.
The nearest other city in this atlas is Taubaté (18 km away). In December its highs average 27.1°C, about as warm as Caçapava, with 219 mm of rain.
Among the 448 cities listed in Brazil, Caçapava ranks joint 307th of 448 for the warmest December highs and joint 327th of 448 for the driest December (rainfall, lowest first). The mean December high of those 448 cities is 28.5°C; Caçapava is 1.2°C cooler than that mean.
From December to January, average highs rise by 0.3°C to 27.5°C, and monthly rainfall rises from 227 mm to 294 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
Caçapava climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.5°C19.3°C | 19.3°C | 294 | 23.7 | 13.413 h |
| February | 27.9°C19.3°C | 19.3°C | 228 | 19.7 | 12.913 h |
| March | 26.8°C18.7°C | 18.7°C | 190 | 19.8 | 12.212 h |
| April | 25.7°C17.1°C | 17.1°C | 74 | 10.9 | 11.612 h |
| May | 23.2°C14.2°C | 14.2°C | 60 | 7.9 | 11.011 h |
| June | 22.7°C12.7°C | 12.7°C | 37 | 5.5 | 10.711 h |
| July | 22.6°C12.0°C | 12.0°C | 43 | 5.2 | 10.911 h |
| August | 24.2°C13.0°C | 13.0°C | 37 | 5.5 | 11.311 h |
| September | 25.6°C15.0°C | 15.0°C | 89 | 10.2 | 11.912 h |
| October | 26.5°C16.8°C | 16.8°C | 137 | 15.7 | 12.613 h |
| November | 26.2°C17.4°C | 17.4°C | 189 | 18.1 | 13.213 h |
| December, selected | 27.2°C18.7°C | 18.7°C | 227 | 21.7 | 13.514 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
- Taubaté in DecemberBrazil · 18 kmHigh 27.1°C · Low 18.4°C · 219 mm rain
- São José dos Campos in DecemberBrazil · 20 kmHigh 27.2°C · Low 18.7°C · 172 mm rain
- Pindamonhangaba in DecemberBrazil · 32 kmHigh 27.6°C · Low 18.8°C · 219 mm rain
- Jacareí in DecemberBrazil · 35 kmHigh 27.0°C · Low 18.7°C · 172 mm rain
- Guaratinguetá in DecemberBrazil · 61 kmHigh 27.4°C · Low 19.1°C · 254 mm rain
- Caraguatatuba in DecemberBrazil · 65 kmHigh 27.6°C · Low 22.5°C · 223 mm rain
- Mogi das Cruzes in DecemberBrazil · 68 kmHigh 25.8°C · Low 18.0°C · 198 mm rain
- Arujá in DecemberBrazil · 71 kmHigh 25.7°C · Low 17.7°C · 198 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 Caçapava) is explained once on the Caçapava year overview and on the Sources, method and limits page.