Average annual temperature is 16.2 °C
Absolute maximum temperature: 27.7 °C
Absolute minimum temperature: 7.3 °C
Number of sunny days: 156 days
Number of rainy days: 209 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) | 23.0 | 20.5 | 21.8 | 21.4 | 22.5 | 25.3 | 27.7 | 26.9 | 26.1 | 24.1 | 24.8 | 23.6 |
| Average daytime temperature (°C) | 19.5 | 19.2 | 19.3 | 19.6 | 21.0 | 22.2 | 23.4 | 23.3 | 23.9 | 22.1 | 22.0 | 20.4 |
| Average temperature (°C) | 14.9 | 15.4 | 14.9 | 15.3 | 15.8 | 15.6 | 16.6 | 16.9 | 17.7 | 17.1 | 17.1 | 16.6 |
| Average night temperature (°C) | 11.1 | 12.3 | 10.8 | 10.3 | 10.3 | 9.1 | 10.3 | 10.7 | 11.0 | 12.1 | 12.0 | 13.0 |
| Absolute minimum temperature (°C) | 7.6 | 9.4 | 8.1 | 8.1 | 7.9 | 7.3 | 7.8 | 9.1 | 9.1 | 10.2 | 8.7 | 10.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.5 | 12.3 | 12.1 | 11.9 | 11.8 | 11.7 | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 |
| 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) | 8.0 | 8.0 | 7.7 | 8.2 | 10.1 | 10.8 | 10.9 | 11.1 | 11.3 | 10.0 | 10.3 | 8.7 |
| Precipitation (mm) | 207 | 245 | 281 | 313 | 36 | 3 | 0 | 6 | 5 | 77 | 43 | 173 |
| Sunny days | 6 | 0 | 3 | 0 | 16 | 25 | 30 | 27 | 22 | 6 | 17 | 4 |
| Rainy days | 25 | 28 | 28 | 30 | 15 | 5 | 1 | 4 | 8 | 25 | 13 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Luis is at