Average annual temperature is 27.5 °C
Absolute maximum temperature: 41.8 °C
Absolute minimum temperature: 15.3 °C
Number of sunny days: 147 days
Number of rainy days: 218 days
Look at detailed online map of San Luis (Casa Blanca)
* Weather data for San Luis (Casa Blanca) 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) | 33.8 | 36.5 | 39.7 | 41.0 | 40.5 | 41.8 | 37.7 | 36.1 | 36.5 | 35.5 | 33.9 | 34.2 |
| Average daytime temperature (°C) | 31.1 | 32.6 | 35.7 | 37.6 | 37.2 | 37.9 | 35.3 | 34.0 | 33.8 | 33.1 | 30.7 | 28.9 |
| Average temperature (°C) | 24.9 | 26.0 | 28.2 | 29.8 | 29.8 | 30.7 | 28.5 | 27.9 | 27.8 | 27.3 | 25.6 | 24.0 |
| Average night temperature (°C) | 20.5 | 21.3 | 22.8 | 24.1 | 24.2 | 25.3 | 24.4 | 24.1 | 23.8 | 23.4 | 22.2 | 20.5 |
| Absolute minimum temperature (°C) | 15.3 | 16.4 | 20.2 | 20.9 | 19.4 | 21.9 | 22.7 | 22.4 | 22.8 | 20.1 | 20.1 | 15.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.0 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.8 | 10.0 | 10.5 | 11.7 | 11.7 | 11.4 | 10.6 | 11.3 | 10.5 | 10.1 | 9.2 | 8.9 |
| Precipitation (mm) | 15 | 9 | 18 | 5 | 21 | 111 | 264 | 150 | 88 | 84 | 108 | 56 |
| Sunny days | 18 | 14 | 20 | 21 | 22 | 11 | 3 | 5 | 4 | 10 | 9 | 10 |
| Rainy days | 13 | 14 | 11 | 9 | 9 | 19 | 28 | 26 | 26 | 21 | 21 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Luis (Casa Blanca) is at