Climate averages 1991–2020
Tatuí weather
in December.
A warm, very wet month: the joint 2nd warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Tatuí: daytime highs average 27.3°C and nights cool to about 18.5°C. By daytime temperature it is the joint 2nd warmest of the 12 months.
Expect about 191 mm of rain on roughly 19 days, which makes December a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 32 min on an average December day.
The nearest other city in this atlas is Itapetininga (33 km away). In December its highs average 26.8°C, about as warm as Tatuí, with 189 mm of rain.
Among the 448 cities listed in Brazil, Tatuí ranks joint 302nd of 448 for the warmest December highs and joint 238th of 448 for the driest December (rainfall, lowest first). The mean December high of those 448 cities is 28.5°C; Tatuí is 1.2°C cooler than that mean.
From December to January, average highs stay level at 27.3°C, and monthly rainfall rises from 191 mm to 258 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
Tatuí climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.3°C19.3°C | 19.3°C | 258 | 22.1 | 13.413 h |
| February | 27.5°C19.3°C | 19.3°C | 174 | 18.5 | 12.913 h |
| March | 26.7°C18.5°C | 18.5°C | 130 | 16.5 | 12.212 h |
| April | 25.7°C16.7°C | 16.7°C | 58 | 7.8 | 11.612 h |
| May | 23.0°C13.9°C | 13.9°C | 62 | 6.6 | 11.011 h |
| June | 22.1°C12.4°C | 12.4°C | 49 | 5.2 | 10.711 h |
| July | 22.3°C11.7°C | 11.7°C | 42 | 4.6 | 10.811 h |
| August | 24.1°C12.5°C | 12.5°C | 38 | 4.3 | 11.311 h |
| September | 25.7°C14.6°C | 14.6°C | 82 | 8.8 | 11.912 h |
| October | 26.6°C16.3°C | 16.3°C | 114 | 12.4 | 12.613 h |
| November | 26.4°C17.0°C | 17.0°C | 145 | 14.5 | 13.213 h |
| December, selected | 27.3°C18.5°C | 18.5°C | 191 | 19.4 | 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
- Itapetininga in DecemberBrazil · 33 kmHigh 26.8°C · Low 18.4°C · 189 mm rain
- Sorocaba in DecemberBrazil · 44 kmHigh 27.5°C · Low 18.8°C · 162 mm rain
- Votorantim in DecemberBrazil · 48 kmHigh 27.9°C · Low 19.2°C · 162 mm rain
- Itu in DecemberBrazil · 58 kmHigh 27.6°C · Low 19.0°C · 184 mm rain
- Salto in DecemberBrazil · 61 kmHigh 28.0°C · Low 19.2°C · 184 mm rain
- Indaiatuba in DecemberBrazil · 72 kmHigh 27.6°C · Low 18.9°C · 199 mm rain
- Ibiúna in DecemberBrazil · 73 kmHigh 25.4°C · Low 17.7°C · 207 mm rain
- Piracicaba in DecemberBrazil · 73 kmHigh 28.8°C · Low 19.9°C · 190 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 Tatuí) is explained once on the Tatuí year overview and on the Sources, method and limits page.