Average annual temperature is 21.4 °C
Absolute maximum temperature: 29.6 °C
Absolute minimum temperature: 14.8 °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 Peru is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 26.4 | 27.8 | 29.6 | 29.3 | 26.8 | 25.0 | 24.4 | 24.1 | 23.9 | 26.2 | 24.4 | 26.3 |
| Average daytime temperature (°C) | 24.4 | 26.0 | 27.5 | 28.4 | 25.2 | 23.7 | 23.7 | 23.4 | 22.9 | 23.0 | 23.3 | 24.8 |
| Average temperature (°C) | 21.5 | 23.3 | 24.5 | 25.1 | 21.8 | 20.2 | 19.9 | 19.7 | 19.4 | 19.7 | 19.9 | 21.5 |
| Average night temperature (°C) | 18.8 | 21.1 | 21.9 | 22.3 | 19.2 | 17.3 | 16.5 | 16.5 | 16.6 | 17.1 | 17.1 | 18.6 |
| Absolute minimum temperature (°C) | 17.1 | 19.5 | 20.4 | 20.9 | 16.7 | 15.6 | 15.4 | 14.8 | 14.9 | 15.6 | 15.1 | 17.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 | 11.5 | 11.8 | 12.0 | 12.3 | 12.6 | 12.8 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 10.6 | 9.9 | 10.3 | 10.7 | 10.0 | 10.3 | 10.2 | 10.2 | 9.7 | 9.4 | 10.5 | 11.2 |
| Precipitation (mm) | 1 | 19 | 9 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
| Sunny days | 26 | 15 | 23 | 28 | 28 | 30 | 31 | 29 | 28 | 26 | 26 | 26 |
| Rainy days | 5 | 13 | 8 | 2 | 3 | 0 | 0 | 2 | 2 | 5 | 4 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Luis is at