Average annual temperature is 18.3 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: -4.4 °C
Number of sunny days: 302 days
Number of rainy days: 62 days
Number of snow days: 1 day
Look at detailed online map of San Fernando
* Weather data for San Fernando Mexico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 25.0 | 26.9 | 28.3 | 31.2 | 33.9 | 37.1 | 37.4 | 38.2 | 34.8 | 31.9 | 28.1 | 24.1 |
| Average daytime temperature (°C) | 18.4 | 19.4 | 22.8 | 26.7 | 28.7 | 34.2 | 34.6 | 33.0 | 32.0 | 26.7 | 20.2 | 18.0 |
| Average temperature (°C) | 9.6 | 10.3 | 13.8 | 18.1 | 21.2 | 26.5 | 28.0 | 25.7 | 24.4 | 19.1 | 13.1 | 9.6 |
| Average night temperature (°C) | 2.6 | 3.4 | 6.5 | 9.9 | 13.7 | 18.4 | 20.3 | 18.7 | 16.9 | 12.4 | 7.6 | 2.5 |
| Absolute minimum temperature (°C) | -4.4 | -4.4 | -1.2 | 4.6 | 10.4 | 14.0 | 18.2 | 16.7 | 14.3 | 2.7 | -1.1 | -3.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.4 | 9.3 | 9.6 | 11.9 | 11.4 | 12.2 | 12.6 | 11.9 | 11.4 | 9.6 | 8.2 | 9.1 |
| Precipitation (mm) | 0 | 8 | 50 | 1 | 19 | 3 | 2 | 8 | 17 | 3 | 35 | 1 |
| Sunny days | 30 | 25 | 25 | 29 | 20 | 26 | 29 | 22 | 22 | 23 | 22 | 29 |
| Rainy days | 0 | 3 | 6 | 1 | 11 | 4 | 2 | 9 | 8 | 8 | 8 | 2 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Fernando is at