Average annual temperature is 18.6 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: -0.4 °C
Number of sunny days: 257 days
Number of rainy days: 108 days
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) | 23.2 | 23.2 | 25.0 | 29.9 | 30.2 | 36.8 | 33.0 | 31.7 | 33.0 | 32.1 | 27.8 | 23.9 |
| Average daytime temperature (°C) | 17.4 | 18.7 | 20.6 | 24.9 | 27.3 | 31.7 | 29.2 | 28.3 | 28.8 | 25.7 | 22.1 | 20.0 |
| Average temperature (°C) | 11.8 | 11.8 | 14.7 | 18.0 | 20.6 | 24.8 | 23.9 | 23.2 | 23.4 | 19.8 | 16.5 | 14.2 |
| Average night temperature (°C) | 7.1 | 6.7 | 9.6 | 11.6 | 14.1 | 18.4 | 19.4 | 19.0 | 18.8 | 15.0 | 11.7 | 9.2 |
| Absolute minimum temperature (°C) | -0.4 | -0.3 | 1.2 | 7.1 | 11.4 | 12.7 | 17.2 | 16.9 | 16.6 | 8.4 | 5.0 | 3.7 |
| 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) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| 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) | 9.1 | 9.0 | 10.1 | 11.8 | 12.1 | 12.6 | 12.4 | 11.4 | 11.4 | 9.5 | 9.0 | 9.0 |
| Precipitation (mm) | 18 | 30 | 31 | 0 | 1 | 4 | 53 | 91 | 31 | 30 | 8 | 11 |
| Sunny days | 24 | 19 | 25 | 30 | 27 | 26 | 5 | 6 | 20 | 22 | 24 | 29 |
| Rainy days | 7 | 9 | 6 | 0 | 4 | 4 | 26 | 25 | 10 | 9 | 6 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Fernando is at