Average temperature in January is 20.8 °C
Average daytime temperature is 27.2 °C
Average night temperature is 16.4 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: 5.3 °C
Number of sunny days: 21
Number of rainy days: 10
Number of snow days:
Precipitation sum: 8 mm
* Weather data for San Fernando Mexico 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 | 29 | 31.7 | 29 | 28.5 | 28 | 28.5 | 30 | 27 | 26.4 | 29 | 29.8 | 27.2 | 22.9 | 22 | 26.5 | 31.1 | 28.4 | 31.5 | 28 | 27 | 26.9 | 24 | 23.2 | 32.8 | 25.1 | 18.6 | 18.6 | 28.2 | 31.8 | 28.2 | 23.7 |
| Apparent max temperature | 29.9 | 32.8 | 26.5 | 27.1 | 28.8 | 27.3 | 29.9 | 26.7 | 29 | 29.8 | 30.1 | 24.6 | 17.5 | 19.8 | 23.4 | 31.7 | 29.2 | 31.7 | 27.6 | 28.8 | 27.4 | 25.1 | 20.2 | 33.8 | 23.1 | 15.7 | 18.1 | 25.6 | 32.2 | 28.7 | 25.2 |
| Mean temperature | 21.5 | 24.5 | 23.4 | 20.7 | 19.8 | 21.2 | 23.3 | 22.2 | 20.1 | 21.1 | 22.6 | 22.6 | 17.1 | 13.8 | 19 | 22.3 | 21.8 | 24.7 | 21.8 | 21.5 | 22.1 | 20.1 | 18.2 | 24 | 18.5 | 14.1 | 15.4 | 19.7 | 24.1 | 23.5 | 18.6 |
| Apparent mean temperature | 17.5 | 22.2 | 20.3 | 11.9 | 13.2 | 18.4 | 20.8 | 19.9 | 15.2 | 16.2 | 19.3 | 19.3 | 7.2 | 3.1 | 12.3 | 17 | 18.6 | 21.7 | 20 | 17.3 | 18.4 | 15.2 | 12.6 | 19.6 | 8.5 | 7.6 | 11.5 | 15.4 | 20.8 | 21.9 | 12.3 |
| Minimum temperature | 17 | 21.4 | 18.6 | 14.8 | 13.2 | 17.2 | 20.2 | 18.9 | 14.5 | 15.6 | 18.6 | 19.5 | 11.4 | 5.3 | 15.4 | 18.1 | 17.8 | 21 | 19.8 | 17.1 | 17 | 17.1 | 13.9 | 20.4 | 12.4 | 9.4 | 13.6 | 15.6 | 20.5 | 20 | 13.6 |
| Apparent min temperature | 22.6 | 25.4 | 23.7 | 19.7 | 19.7 | 21.8 | 23.6 | 23.1 | 21 | 22.2 | 23.3 | 21.6 | 12.3 | 11.4 | 16.1 | 21.4 | 23.1 | 25.4 | 23.2 | 21.3 | 23.5 | 19.1 | 16.3 | 23.9 | 14.2 | 11.9 | 13.6 | 19 | 23.9 | 24.7 | 19.1 |
| 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) | 10.6 | 10.6 | 10.6 | 10.6 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.7 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 11 | 11 | 11 | 11 |
| Sunshine duration (h) | 9.6 | 8.5 | 9.7 | 9.7 | 9.7 | 9.7 | 9.6 | 9.7 | 8.3 | 9.6 | 9.7 | 8.9 | 9.8 | 9.8 | 9.8 | 9.8 | 6.7 | 7.7 | 1.1 | 7.2 | 8.9 | 7.8 | 3.8 | 9.1 | 10 | 5 | 2 | 9.9 | 9.7 | 10 | 1 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0.7 | 0 | 0 | 0 | 0 | 0.1 | 0 | 2.8 | 0.7 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0.1 | 0.1 | 0.6 | 3 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 4 | 10 |
| Wind speed (m/s) | 20 | 27.9 | 22.6 | 17.5 | 17.1 | 26.5 | 24.2 | 20.3 | 13.8 | 18.2 | 25.8 | 33.5 | 21.1 | 20.5 | 31.4 | 28.8 | 21.4 | 24.2 | 17.6 | 13.1 | 11.5 | 19.8 | 24.2 | 26 | 32.3 | 17 | 14.3 | 34.5 | 27.8 | 26.8 | 19.7 |
In January 2023, the highest daytime temperature in San Fernando was 32.8°C.
While the minimum temperature at night dropped to 5.3°C.
The average nighttime and daytime temperatures during January in San Fernando are 16.4°C and 27.2°C respectively.
The precipitation sum in January is about 8 mm.