Average temperature in December is 25.3 °C
Average daytime temperature is 28.9 °C
Average night temperature is 22 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: 18.1 °C
Number of sunny days: 6
Number of rainy days: 25
Number of snow days:
Precipitation sum: 118 mm
* Weather data for Itanhaém Brazil is based on climate observations for 2023 year
| December (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 27.8 | 28.9 | 29.7 | 30.3 | 28.4 | 29.3 | 36.8 | 28.9 | 23.8 | 27.3 | 28.1 | 25.9 | 27.3 | 28 | 29.8 | 29.6 | 29.2 | 29.5 | 28.6 | 27.6 | 27.8 | 28.4 | 29.9 | 31.6 | 31 | 28 | 28.3 | 29.1 | 32 | 26.7 | 27 |
| Apparent max temperature | 33.2 | 36.1 | 36.8 | 36.9 | 33.4 | 36.5 | 44.4 | 35.2 | 26.3 | 30.1 | 33.3 | 30.6 | 31.8 | 33.4 | 36.2 | 37.1 | 35.9 | 36.1 | 33.4 | 32.6 | 33.5 | 34.2 | 36.3 | 37.7 | 38.8 | 32.9 | 31.7 | 33.9 | 39.3 | 32 | 30.1 |
| Mean temperature | 25.4 | 25.8 | 26.3 | 26.3 | 25.3 | 26 | 28.9 | 25.3 | 22.7 | 23.6 | 24.2 | 23.2 | 23.1 | 24.4 | 25 | 25.9 | 26.1 | 26.3 | 25.5 | 24.8 | 24.7 | 25.1 | 25.3 | 26.1 | 26.9 | 26.9 | 25.3 | 24.6 | 25.8 | 25.2 | 23.9 |
| Apparent mean temperature | 27.7 | 27.1 | 29.1 | 28 | 26.4 | 27.3 | 28.3 | 25.2 | 23.3 | 23.1 | 24 | 20.4 | 19.4 | 21.9 | 23.3 | 26.2 | 28.1 | 28.3 | 25.8 | 24.3 | 24.8 | 24.3 | 26 | 25.9 | 28.5 | 27 | 25 | 21.2 | 22.5 | 26.4 | 22.9 |
| Minimum temperature | 23.4 | 22.7 | 23.9 | 23.5 | 22.3 | 22.8 | 24.3 | 23.2 | 21.6 | 20.3 | 21.2 | 19.1 | 18.1 | 19.7 | 20.4 | 22.4 | 23.3 | 23.8 | 22.2 | 21.3 | 21.3 | 21.2 | 22.3 | 22.2 | 23.4 | 25.2 | 22.5 | 19.2 | 19.8 | 24.2 | 20.4 |
| Apparent min temperature | 30.2 | 30.9 | 31.8 | 31.1 | 29.9 | 31.6 | 35.2 | 29.4 | 25.1 | 25.7 | 27.1 | 25.9 | 25.6 | 28.4 | 29.5 | 30.9 | 31.5 | 31.3 | 29.1 | 28.1 | 28.4 | 29.4 | 30.6 | 31.2 | 32.6 | 29.8 | 27.4 | 27.4 | 30.2 | 28.5 | 26.3 |
| December | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 13.5 | 13.5 | 13.5 | 13.5 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 | 13.6 |
| Sunshine duration (h) | 9 | 12.1 | 12.3 | 10.4 | 10.6 | 11.5 | 12.3 | 5.1 | 0 | 7.7 | 11.3 | 12.5 | 11.8 | 12.7 | 12.5 | 11.7 | 10.1 | 11.3 | 12.2 | 12.4 | 12.5 | 12.6 | 9 | 12.6 | 12 | 6.6 | 12.5 | 12.6 | 10.3 | 0.6 | 12.5 |
| Precipitation (mm) | 2 | 0 | 0.1 | 1.5 | 5.5 | 0.9 | 24 | 19.2 | 26.7 | 2.7 | 3.9 | 1 | 0.5 | 0 | 0 | 0.1 | 1.1 | 1.5 | 2.1 | 4.6 | 3.2 | 0 | 5.3 | 0.3 | 0.1 | 4.2 | 0.5 | 0 | 0 | 4.5 | 2.6 |
| Precipitation hours | 14 | 0 | 1 | 8 | 17 | 6 | 5 | 17 | 24 | 10 | 15 | 6 | 4 | 0 | 0 | 1 | 5 | 8 | 16 | 18 | 7 | 0 | 6 | 2 | 1 | 6 | 3 | 0 | 0 | 15 | 13 |
| Wind speed (m/s) | 15 | 14.2 | 16.3 | 20.4 | 17 | 11.2 | 16.3 | 22.5 | 15.5 | 20.7 | 20.9 | 9.8 | 19.7 | 16.8 | 13.8 | 15.3 | 13 | 19.8 | 20.2 | 18.7 | 16 | 14.8 | 11.3 | 14.8 | 15.5 | 14.5 | 13.6 | 17 | 15.4 | 18.1 | 20.6 |
In December 2023, the highest daytime temperature in Itanhaém was 36.8°C.
While the minimum temperature at night dropped to 18.1°C.
The average nighttime and daytime temperatures during December in Itanhaém are 22°C and 28.9°C respectively.
The precipitation sum in December is about 118 mm.