Average temperature in December is 23.5 °C
Average daytime temperature is 30 °C
Average night temperature is 17.5 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: 10.4 °C
Number of sunny days: 18
Number of rainy days: 13
Number of snow days:
Precipitation sum: 21 mm
* Weather data for San Rafael 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 | 30.3 | 27.2 | 22.2 | 26.8 | 26.3 | 31.6 | 31.1 | 34.2 | 28.3 | 32.7 | 35.2 | 32.4 | 30 | 35.5 | 32.1 | 35.7 | 27.2 | 21.4 | 18.1 | 21 | 28.6 | 31.4 | 29.8 | 33.3 | 30.7 | 33.1 | 35.3 | 35 | 31.6 | 32.9 | 29.1 |
| Apparent max temperature | 28.4 | 22.5 | 18.1 | 24.6 | 25.5 | 27.9 | 28.4 | 30.9 | 27.1 | 30.3 | 34.1 | 30.1 | 28.3 | 33.6 | 31.8 | 36 | 25.2 | 16.8 | 14 | 19.7 | 27.2 | 30.8 | 29.5 | 34.5 | 29.7 | 32.8 | 34.8 | 32.4 | 27.7 | 31.7 | 28.5 |
| Mean temperature | 25.6 | 21.9 | 16.6 | 18.7 | 20.5 | 22.6 | 24.4 | 25.6 | 23 | 24.7 | 29.1 | 26.6 | 24 | 26.8 | 25.9 | 28.8 | 23.1 | 17.8 | 14.1 | 14.7 | 19.6 | 24 | 24.8 | 25.5 | 25.1 | 25.6 | 27.4 | 28.2 | 25.7 | 25.6 | 23.4 |
| Apparent mean temperature | 16.2 | 12.1 | 5.2 | 8.2 | 12.2 | 12.7 | 14.8 | 17 | 17.2 | 18 | 20.1 | 15.9 | 15.3 | 21.5 | 15.8 | 22.4 | 15 | 8.6 | 8.8 | 9.4 | 11.4 | 16.9 | 18.1 | 20 | 14.5 | 16.1 | 20 | 21.1 | 17.2 | 16 | 19.1 |
| Minimum temperature | 19.4 | 17.6 | 10.4 | 11.6 | 14.2 | 14.7 | 16.5 | 18.8 | 18.1 | 17.8 | 21.9 | 21 | 17.5 | 20 | 18.9 | 21.8 | 18.8 | 14.5 | 12.2 | 11.5 | 12.3 | 17.2 | 19.4 | 18.9 | 19 | 17.8 | 21.4 | 21.9 | 19.9 | 18.5 | 19.3 |
| Apparent min temperature | 22.5 | 17.3 | 11.7 | 15.6 | 18.3 | 20.4 | 21.8 | 23.2 | 21.1 | 22.9 | 26.4 | 23.1 | 21.2 | 27 | 24.8 | 29.7 | 20.6 | 13 | 11.2 | 12.9 | 18.8 | 23.8 | 23.6 | 25.7 | 22.3 | 24 | 26.8 | 26.2 | 22.8 | 23.1 | 23.2 |
| 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) | 13.1 | 13.1 | 13.1 | 13.1 | 13 | 13.1 | 13.1 | 13.1 | 13 | 12.9 | 13.1 | 13.1 | 13.1 | 13.1 | 13 | 13 | 13.1 | 6.9 | 0 | 8.9 | 13.1 | 13.1 | 13.1 | 13 | 13.2 | 13 | 9 | 12 | 13 | 13.2 | 13.1 |
| Precipitation (mm) | 0.2 | 0 | 0 | 0 | 0.8 | 0 | 0 | 0.1 | 0.1 | 0 | 0 | 0.4 | 0 | 0 | 0.2 | 1.7 | 0.1 | 0 | 5.3 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0.3 | 0.4 | 0 | 0 | 0 | 11.3 |
| Precipitation hours | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 1 | 1 | 0 | 0 | 3 | 0 | 0 | 1 | 3 | 1 | 0 | 14 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 9 |
| Wind speed (m/s) | 23.2 | 31.9 | 26 | 19.3 | 31.6 | 41.3 | 18.6 | 29.2 | 29.8 | 31.7 | 30 | 28.6 | 21.6 | 25.5 | 30.4 | 19.8 | 39.3 | 26.6 | 24.5 | 14 | 23.1 | 19.9 | 22.7 | 24 | 23.3 | 23 | 36.4 | 34.1 | 20.7 | 23.8 | 26.5 |
In December 2023, the highest daytime temperature in San Rafael was 35.7°C.
While the minimum temperature at night dropped to 10.4°C.
The average nighttime and daytime temperatures during December in San Rafael are 17.5°C and 30°C respectively.
The precipitation sum in December is about 21 mm.