Average annual temperature is 26.4 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: 16.2 °C
Number of sunny days: 97 days
Number of rainy days: 268 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) | 33.7 | 33.3 | 32.7 | 32.7 | 31.9 | 32.0 | 34.1 | 36.0 | 37.7 | 37.5 | 35.7 | 33.3 |
| Average daytime temperature (°C) | 29.7 | 29.5 | 29.2 | 29.7 | 29.3 | 29.5 | 32.4 | 34.4 | 34.0 | 34.1 | 31.6 | 30.5 |
| Average temperature (°C) | 25.4 | 25.4 | 25.3 | 25.6 | 25.8 | 25.1 | 27.0 | 28.1 | 28.1 | 28.2 | 26.8 | 26.1 |
| Average night temperature (°C) | 22.3 | 22.6 | 22.8 | 22.8 | 23.1 | 21.4 | 22.5 | 22.9 | 23.6 | 24.1 | 23.6 | 23.4 |
| Absolute minimum temperature (°C) | 18.0 | 21.0 | 21.6 | 21.8 | 21.0 | 16.2 | 20.5 | 20.1 | 21.9 | 22.1 | 22.1 | 22.2 |
| 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) | 12.5 | 12.4 | 12.1 | 11.9 | 11.7 | 11.6 | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 |
| 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) | 9.0 | 8.5 | 7.3 | 8.4 | 9.5 | 10.0 | 10.3 | 10.5 | 9.6 | 9.8 | 9.1 | 8.4 |
| Precipitation (mm) | 327 | 256 | 363 | 252 | 116 | 47 | 32 | 8 | 31 | 98 | 307 | 284 |
| Sunny days | 2 | 2 | 0 | 2 | 4 | 14 | 19 | 24 | 15 | 10 | 3 | 2 |
| Rainy days | 29 | 26 | 31 | 28 | 27 | 16 | 12 | 7 | 15 | 21 | 27 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Luis is at