Average temperature in January is 11.2 °C
Average daytime temperature is 15.2 °C
Average night temperature is 7.8 °C
Absolute maximum temperature: 20 °C
Absolute minimum temperature: 2.5 °C
Number of sunny days: 17
Number of rainy days: 14
Number of snow days:
Precipitation sum: 46 mm
* Weather data for Sines Portugal is based on climate observations for 2023 year
| January (°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 | 20 | 15.3 | 14.6 | 16.9 | 17.5 | 16.3 | 17.3 | 17.3 | 17.6 | 17.4 | 17.1 | 16.1 | 15.4 | 16.5 | 15.6 | 15.1 | 14.9 | 12.4 | 13.2 | 16.2 | 16.7 | 13.8 | 13 | 12 | 12.5 | 12.2 | 13.6 | 12.4 | 13.5 | 13.9 | 15.7 |
| Apparent max temperature | 18 | 13.1 | 11.6 | 16.1 | 17.9 | 15.4 | 14.6 | 15.2 | 18 | 17.6 | 15.3 | 15.2 | 13.9 | 16.8 | 14 | 11.4 | 10.9 | 7.7 | 11 | 14.7 | 13.8 | 9.9 | 9.2 | 7.8 | 8.5 | 8.6 | 8.5 | 9 | 10.2 | 11 | 12.1 |
| Mean temperature | 16.5 | 11.8 | 10.4 | 10.8 | 11.2 | 11.6 | 14.8 | 16.4 | 15.7 | 15.1 | 14.4 | 11.2 | 10.9 | 11 | 11.1 | 13.4 | 13.3 | 10.5 | 10.2 | 14.2 | 13.7 | 10 | 7.8 | 7.5 | 7 | 7.8 | 8.2 | 7.9 | 7.3 | 7.8 | 9 |
| Apparent mean temperature | 12.3 | 7.2 | 4.6 | 3.4 | 4.6 | 6.6 | 10.1 | 13.3 | 11.9 | 14 | 8.2 | 5.3 | 5.2 | 4.5 | 6.8 | 7.4 | 5.4 | 4.6 | 3.4 | 10 | 8.5 | 2.4 | -0.9 | -1 | -1.4 | 0.9 | -0.5 | -0.5 | -1.7 | -1.9 | -0.1 |
| Minimum temperature | 13.5 | 9.5 | 7.5 | 6.6 | 7.4 | 8.1 | 11.5 | 15.6 | 12.1 | 13.7 | 10.6 | 7.6 | 7.3 | 6.9 | 7.8 | 10.3 | 10.5 | 7.6 | 6 | 12.2 | 11.4 | 6.7 | 3.4 | 4 | 3 | 4.1 | 3.2 | 4.3 | 2.5 | 2.8 | 4.3 |
| Apparent min temperature | 14.5 | 10.1 | 7.5 | 8.8 | 9.7 | 10.6 | 12.8 | 14.3 | 15.4 | 15.6 | 13.1 | 9.4 | 9.1 | 9.7 | 9.3 | 9.8 | 8.6 | 6 | 7.8 | 12.3 | 11.3 | 6.3 | 3.8 | 3.1 | 3 | 4.1 | 4.2 | 3.8 | 3.6 | 3.8 | 5.2 |
| January | 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) | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.9 | 9.9 | 9.9 | 9.9 | 10 | 10 | 10 | 10.1 | 10.1 | 10.1 | 10.1 | 10.2 | 10.2 | 10.2 | 10.3 |
| Sunshine duration (h) | 6.7 | 7 | 8.6 | 8.6 | 8.7 | 7.7 | 4.7 | 2.9 | 7.6 | 5 | 8 | 8.7 | 8.7 | 8.1 | 7 | 7.9 | 7.3 | 8.8 | 4.6 | 8.8 | 8.4 | 9 | 9.1 | 9 | 9.1 | 9.1 | 9.2 | 9.2 | 9.3 | 9.2 | 9.4 |
| Precipitation (mm) | 15.2 | 0 | 0 | 0 | 0 | 0 | 4.8 | 10.6 | 4.8 | 0.6 | 1 | 0 | 0 | 0 | 0.3 | 1.5 | 3.7 | 1.3 | 0.5 | 1.2 | 0.2 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 10 | 0 | 0 | 0 | 0 | 0 | 12 | 22 | 12 | 5 | 5 | 0 | 0 | 0 | 2 | 10 | 18 | 5 | 5 | 8 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 29.5 | 13 | 15.5 | 15.8 | 15.9 | 11.3 | 29.1 | 31.1 | 22.1 | 11.7 | 19.4 | 14.4 | 11.3 | 10.2 | 17.9 | 32.7 | 36.3 | 31.8 | 21.9 | 20.2 | 24.5 | 18.5 | 17.5 | 20.9 | 15.7 | 28.2 | 25.3 | 17.6 | 15.9 | 17.8 | 17.7 |
In January 2023, the highest daytime temperature in Sines was 20°C.
While the minimum temperature at night dropped to 2.5°C.
The average nighttime and daytime temperatures during January in Sines are 7.8°C and 15.2°C respectively.
The precipitation sum in January is about 46 mm.