Average annual temperature is 21.7 °C
Absolute maximum temperature: 42.9 °C
Absolute minimum temperature: 6.5 °C
Number of sunny days: 330 days
Number of rainy days: 35 days
Look at detailed online map of San Luis
* Weather data for San Luis 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) | 27.3 | 27.4 | 30.9 | 33.9 | 31.0 | 40.3 | 39.8 | 42.9 | 39.2 | 40.7 | 33.7 | 28.6 |
| Average daytime temperature (°C) | 21.0 | 20.9 | 25.1 | 28.3 | 27.4 | 32.7 | 37.1 | 37.3 | 35.1 | 32.3 | 27.5 | 24.8 |
| Average temperature (°C) | 15.1 | 14.8 | 17.5 | 19.4 | 18.8 | 23.7 | 29.1 | 29.8 | 27.1 | 25.0 | 21.4 | 18.5 |
| Average night temperature (°C) | 10.7 | 10.7 | 11.7 | 12.7 | 12.2 | 16.9 | 22.4 | 23.9 | 21.1 | 19.4 | 16.6 | 13.6 |
| Absolute minimum temperature (°C) | 6.5 | 7.0 | 7.7 | 7.1 | 9.4 | 10.9 | 17.4 | 19.9 | 16.6 | 14.5 | 11.9 | 9.5 |
| 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) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.8 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.5 |
| 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) | 9.0 | 9.1 | 10.2 | 11.9 | 12.5 | 12.5 | 12.7 | 11.6 | 11.3 | 10.6 | 9.0 | 9.2 |
| Precipitation (mm) | 10 | 27 | 4 | 0 | 0 | 0 | 0 | 19 | 3 | 0 | 2 | 0 |
| Sunny days | 25 | 20 | 26 | 30 | 30 | 30 | 30 | 26 | 28 | 28 | 28 | 29 |
| Rainy days | 6 | 8 | 5 | 0 | 1 | 0 | 1 | 5 | 2 | 3 | 2 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Luis is at