Average annual temperature is 20.9 °C
Absolute maximum temperature: 41.8 °C
Absolute minimum temperature: -3.2 °C
Number of sunny days: 316 days
Number of rainy days: 49 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) | 25.4 | 26.0 | 28.7 | 32.8 | 36.3 | 41.2 | 41.8 | 41.2 | 39.5 | 34.0 | 30.2 | 25.3 |
| Average daytime temperature (°C) | 18.7 | 19.4 | 24.1 | 28.8 | 31.9 | 36.9 | 38.8 | 36.5 | 35.3 | 29.2 | 22.2 | 18.8 |
| Average temperature (°C) | 9.9 | 10.9 | 15.7 | 20.7 | 24.9 | 30.1 | 32.5 | 29.9 | 28.7 | 21.7 | 15.1 | 10.6 |
| Average night temperature (°C) | 3.0 | 4.0 | 8.0 | 11.8 | 17.0 | 21.8 | 24.8 | 22.9 | 21.0 | 14.3 | 8.6 | 3.1 |
| Absolute minimum temperature (°C) | -2.7 | -3.2 | -0.9 | 2.8 | 12.3 | 16.8 | 22.6 | 18.8 | 17.7 | 1.0 | -0.2 | -2.0 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.2 | 12.3 | 11.4 | 10.6 | 10.2 |
| 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 | 9.2 | 9.8 | 11.9 | 11.9 | 12.6 | 12.7 | 11.8 | 11.4 | 9.8 | 9.3 | 9.1 |
| Precipitation (mm) | 6 | 8 | 3 | 0 | 3 | 0 | 0 | 4 | 1 | 8 | 4 | 7 |
| Sunny days | 27 | 23 | 28 | 30 | 24 | 29 | 29 | 21 | 25 | 27 | 25 | 28 |
| Rainy days | 4 | 5 | 3 | 0 | 7 | 1 | 2 | 10 | 5 | 4 | 5 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Luis is at