Average annual temperature is 21.0 °C
Absolute maximum temperature: 39.4 °C
Absolute minimum temperature: 3.9 °C
Number of sunny days: 329 days
Number of rainy days: 36 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) | 25.1 | 25.3 | 29.0 | 32.8 | 29.8 | 38.4 | 38.8 | 39.4 | 37.2 | 38.5 | 31.7 | 27.2 |
| Average daytime temperature (°C) | 18.7 | 18.7 | 22.5 | 25.5 | 24.8 | 30.2 | 34.9 | 34.5 | 32.4 | 30.3 | 25.4 | 23.3 |
| Average temperature (°C) | 13.7 | 13.5 | 16.4 | 18.8 | 18.3 | 23.7 | 29.2 | 29.6 | 26.5 | 24.1 | 20.2 | 17.3 |
| Average night temperature (°C) | 9.7 | 9.6 | 11.4 | 13.2 | 12.7 | 18.1 | 23.7 | 24.9 | 21.3 | 19.2 | 15.7 | 12.6 |
| Absolute minimum temperature (°C) | 3.9 | 6.0 | 5.8 | 7.6 | 9.6 | 11.8 | 18.8 | 18.0 | 15.8 | 13.3 | 10.5 | 9.1 |
| 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 | 13.6 | 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) | 8.3 | 9.0 | 10.2 | 11.9 | 12.6 | 12.4 | 12.7 | 11.6 | 11.4 | 10.7 | 9.1 | 9.1 |
| Precipitation (mm) | 36 | 29 | 10 | 0 | 0 | 0 | 0 | 43 | 1 | 0 | 12 | 7 |
| Sunny days | 22 | 19 | 26 | 30 | 31 | 29 | 31 | 28 | 28 | 31 | 26 | 28 |
| Rainy days | 9 | 9 | 5 | 0 | 0 | 1 | 0 | 3 | 2 | 0 | 4 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Luis is at