Average annual temperature is 21.1 °C
Absolute maximum temperature: 29.9 °C
Absolute minimum temperature: 13.3 °C
Number of sunny days: 14 days
Number of rainy days: 351 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) | 28.3 | 26.7 | 27.5 | 27.4 | 26.1 | 26.0 | 26.1 | 28.1 | 29.6 | 29.9 | 28.8 | 27.8 |
| Average daytime temperature (°C) | 23.9 | 24.2 | 25.0 | 25.5 | 24.6 | 24.1 | 24.9 | 26.1 | 26.7 | 26.9 | 25.5 | 25.6 |
| Average temperature (°C) | 20.4 | 20.6 | 21.0 | 21.2 | 21.0 | 20.0 | 20.5 | 21.1 | 21.6 | 22.2 | 21.6 | 21.8 |
| Average night temperature (°C) | 17.7 | 17.7 | 17.9 | 17.6 | 17.7 | 16.2 | 16.4 | 16.8 | 17.2 | 18.6 | 18.4 | 18.7 |
| Absolute minimum temperature (°C) | 16.2 | 14.9 | 17.0 | 16.0 | 16.4 | 13.3 | 14.8 | 14.6 | 15.3 | 17.0 | 17.3 | 17.2 |
| 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) | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.5 | 11.6 | 11.8 | 12.0 | 12.3 | 12.6 | 12.7 |
| 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) | 6.6 | 6.8 | 7.4 | 9.1 | 9.2 | 9.4 | 9.9 | 10.4 | 10.3 | 9.3 | 7.9 | 8.2 |
| Precipitation (mm) | 548 | 436 | 339 | 254 | 204 | 88 | 103 | 59 | 231 | 336 | 414 | 417 |
| Sunny days | 2 | 0 | 1 | 2 | 0 | 4 | 1 | 0 | 2 | 0 | 2 | 0 |
| Rainy days | 29 | 28 | 30 | 28 | 31 | 26 | 30 | 31 | 28 | 31 | 28 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Luis is at