Average temperature in December is 24.2 °C
Average daytime temperature is 29.1 °C
Average night temperature is 20.4 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: 14.5 °C
Number of sunny days: 8
Number of rainy days: 23
Number of snow days:
Precipitation sum: 88 mm
* Weather data for Porto Alegre 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 | 32.3 | 32.7 | 27.3 | 22.7 | 24.2 | 30.3 | 27.9 | 23.3 | 24.3 | 26.8 | 26.7 | 29.8 | 33.1 | 33.3 | 34.9 | 31.9 | 35.8 | 34.6 | 28 | 28 | 31.1 | 30.8 | 30.2 | 29 | 29.9 | 24.6 | 26.9 | 33.9 | 27.2 | 25.7 | 25.9 |
| Apparent max temperature | 39.4 | 42 | 31.2 | 24.1 | 23.2 | 35.1 | 30.6 | 24.3 | 24.3 | 30 | 29.1 | 34.2 | 37.7 | 38 | 43 | 39.4 | 43.8 | 43.9 | 32.3 | 29.8 | 36.8 | 36.9 | 35.7 | 33.7 | 33.5 | 26.9 | 29.6 | 37.2 | 30.3 | 25.9 | 27.9 |
| Mean temperature | 24.6 | 26.1 | 24.9 | 20.3 | 21.2 | 23.9 | 24.9 | 20.9 | 19.3 | 21.5 | 21.9 | 23.4 | 25.6 | 27.9 | 28.6 | 27.7 | 29.7 | 28.8 | 25.4 | 24.6 | 26.2 | 26.2 | 24.9 | 25 | 24.3 | 21 | 21.3 | 24.8 | 24.5 | 21.2 | 20.1 |
| Apparent mean temperature | 22.1 | 22.9 | 24.3 | 18.5 | 17.6 | 19.9 | 25.5 | 18 | 14.2 | 17 | 19.4 | 19.4 | 21.1 | 26.9 | 28 | 26.8 | 28.8 | 27.4 | 26.1 | 23.4 | 23 | 26.8 | 25.2 | 24.7 | 22.9 | 16.6 | 17.4 | 17 | 21.6 | 18.1 | 14.2 |
| Minimum temperature | 20.2 | 22.1 | 22.7 | 19.4 | 19.2 | 20.4 | 23.1 | 18.9 | 14.5 | 17.9 | 18 | 18.6 | 19.3 | 22.8 | 23.6 | 24.1 | 24 | 23.3 | 22.5 | 22.4 | 22 | 22.6 | 21.8 | 21.6 | 20.7 | 17.2 | 16.4 | 17 | 21.6 | 18.2 | 14.9 |
| Apparent min temperature | 27.8 | 30.8 | 28.1 | 20.2 | 19.9 | 26.6 | 27.7 | 20.4 | 18.6 | 22 | 23.2 | 25 | 28.5 | 32.2 | 34.3 | 33 | 35.6 | 34.6 | 28.9 | 26.3 | 29.3 | 30.6 | 28.8 | 28.1 | 26.5 | 20.8 | 22.2 | 26.1 | 26.5 | 21.4 | 19.9 |
| 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) | 13.9 | 13.9 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14 |
| Sunshine duration (h) | 11.9 | 8 | 9.7 | 0 | 9.4 | 6.9 | 4.5 | 12.9 | 13.1 | 12.3 | 13 | 13 | 9.4 | 10.4 | 9.8 | 12.9 | 13 | 11 | 11 | 9.1 | 13 | 11 | 11.7 | 13 | 12.9 | 13.1 | 13 | 12 | 4 | 13 | 13 |
| Precipitation (mm) | 0 | 2.8 | 1.2 | 6.6 | 0 | 14.4 | 10 | 1.7 | 0.1 | 0.1 | 1.5 | 0 | 0 | 0.8 | 5.2 | 1.5 | 0 | 1.6 | 2.9 | 0.1 | 0 | 5 | 16.6 | 1.1 | 5.4 | 0.2 | 0.1 | 0.2 | 9 | 0 | 0 |
| Precipitation hours | 0 | 3 | 4 | 16 | 0 | 9 | 10 | 4 | 1 | 1 | 7 | 0 | 0 | 3 | 4 | 5 | 0 | 1 | 14 | 1 | 0 | 9 | 13 | 4 | 9 | 2 | 1 | 2 | 12 | 0 | 0 |
| Wind speed (m/s) | 23.8 | 22.7 | 24.6 | 25.7 | 32.4 | 28.1 | 23.9 | 28.6 | 28.2 | 27 | 22.3 | 25 | 21.3 | 19.7 | 12.2 | 19.7 | 11.9 | 13.4 | 25.3 | 27.8 | 25.6 | 20.4 | 13.1 | 18 | 33 | 22 | 20.8 | 23.1 | 27.3 | 20.1 | 19.5 |
In December 2023, the highest daytime temperature in Porto Alegre was 35.8°C.
While the minimum temperature at night dropped to 14.5°C.
The average nighttime and daytime temperatures during December in Porto Alegre are 20.4°C and 29.1°C respectively.
The precipitation sum in December is about 88 mm.