Average temperature in December is 22.2 °C
Average daytime temperature is 26.2 °C
Average night temperature is 18.5 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: 12.5 °C
Number of sunny days: 11
Number of rainy days: 20
Number of snow days:
Precipitation sum: 154 mm
* Weather data for Buenos Aires Argentina 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 | 27.7 | 27.5 | 23.7 | 21.3 | 22.7 | 23 | 23.7 | 22.1 | 24.1 | 25.4 | 27.7 | 31.7 | 28.9 | 26.8 | 28.9 | 30.2 | 28.5 | 24.2 | 20.2 | 24 | 27 | 25.7 | 29.1 | 26.1 | 25.4 | 24.2 | 28.7 | 32.3 | 27.4 | 25.4 | 27.1 |
| Apparent max temperature | 31.4 | 32.2 | 27.1 | 19.7 | 22.7 | 25.5 | 23.7 | 23.9 | 26.3 | 28 | 28.9 | 32.6 | 34.7 | 29.9 | 33.6 | 30.8 | 30.8 | 28.5 | 16.8 | 23.3 | 28.7 | 27.9 | 34.8 | 28.6 | 28.4 | 26.4 | 28.4 | 33.9 | 29.1 | 25.9 | 27.1 |
| Mean temperature | 24.4 | 22.3 | 18.6 | 17.8 | 19.2 | 21.1 | 20 | 19.5 | 20.2 | 22.1 | 23.1 | 26.3 | 25.4 | 23.5 | 25.9 | 26.9 | 26 | 21 | 16.5 | 20.3 | 22.2 | 22.6 | 24.3 | 23.4 | 22.2 | 18.9 | 23 | 25.7 | 23.8 | 19.6 | 22.7 |
| Apparent mean temperature | 21.5 | 18.7 | 11 | 10.4 | 14.1 | 21 | 15.5 | 17 | 16 | 19.4 | 19.2 | 22.3 | 23.5 | 20.9 | 26.7 | 26.5 | 23.2 | 14.8 | 8.9 | 13.7 | 18 | 20.9 | 19.7 | 19.7 | 18.9 | 11.6 | 17.9 | 20.2 | 19.2 | 11.8 | 18.2 |
| Minimum temperature | 22.4 | 17.3 | 15.2 | 14 | 16.4 | 19.7 | 16.7 | 15.9 | 16.9 | 18.4 | 19.7 | 22.1 | 21.5 | 20.5 | 23.1 | 24.5 | 22.6 | 17.8 | 12.9 | 16.9 | 17.6 | 19.1 | 20.5 | 20.2 | 19.1 | 12.5 | 17.9 | 20.9 | 20.3 | 12.7 | 18.7 |
| Apparent min temperature | 25.7 | 25.1 | 16.1 | 15.2 | 17.5 | 23.1 | 19.6 | 20.2 | 19.8 | 23.2 | 23.3 | 27 | 28.1 | 24.7 | 29.6 | 28.7 | 28.2 | 21 | 13 | 18.8 | 23.6 | 24.1 | 26.8 | 24.9 | 22.4 | 18.6 | 22.7 | 25.9 | 24.2 | 18.6 | 22.2 |
| 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) | 14.3 | 14.3 | 14.3 | 14.3 | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.4 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.4 | 14.4 |
| Sunshine duration (h) | 2.5 | 13.4 | 6.3 | 11.8 | 11.2 | 5.7 | 10.6 | 13.5 | 10.4 | 13.5 | 13.5 | 13.5 | 10.8 | 12.3 | 13.5 | 6.7 | 3.7 | 3.2 | 10.9 | 10.6 | 13.1 | 13.6 | 13.5 | 11.3 | 13.6 | 13.6 | 12.6 | 10.3 | 13.5 | 13.5 | 12.8 |
| Precipitation (mm) | 33.2 | 0 | 0.1 | 0.3 | 3.6 | 5.4 | 2 | 0.4 | 0 | 0.2 | 0 | 0 | 11.5 | 0.7 | 3.3 | 0.2 | 36.3 | 19.2 | 0 | 0 | 1.1 | 0 | 2.3 | 15.1 | 18.8 | 0 | 0 | 0.3 | 0.3 | 0 | 0 |
| Precipitation hours | 16 | 0 | 1 | 1 | 6 | 15 | 9 | 3 | 0 | 2 | 0 | 0 | 11 | 4 | 7 | 1 | 10 | 9 | 0 | 0 | 5 | 0 | 1 | 6 | 5 | 0 | 0 | 1 | 2 | 0 | 0 |
| Wind speed (m/s) | 28.8 | 13 | 32.5 | 27 | 27.9 | 19 | 24.4 | 25.2 | 22.8 | 17.4 | 20.8 | 27.5 | 23.8 | 23.3 | 18.7 | 31.8 | 34.5 | 35.8 | 28.7 | 26.6 | 16.7 | 22.1 | 30.9 | 25.7 | 28.9 | 14.7 | 26 | 28 | 23 | 18.7 | 18.9 |
In December 2023, the highest daytime temperature in Buenos Aires was 32.3°C.
While the minimum temperature at night dropped to 12.5°C.
The average nighttime and daytime temperatures during December in Buenos Aires are 18.5°C and 26.2°C respectively.
The precipitation sum in December is about 154 mm.