Average annual temperature is 25.8 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: 18.3 °C
Number of sunny days: 16 days
Number of rainy days: 349 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) | 32.5 | 32.7 | 34.4 | 33.4 | 32.3 | 31.8 | 32.5 | 34.4 | 35.6 | 36.5 | 35.0 | 33.0 |
| Average daytime temperature (°C) | 29.7 | 29.8 | 29.9 | 29.5 | 29.4 | 28.7 | 30.0 | 31.5 | 32.8 | 33.2 | 31.4 | 30.6 |
| Average temperature (°C) | 25.2 | 25.0 | 25.3 | 25.2 | 25.3 | 24.4 | 25.3 | 26.3 | 27.1 | 27.5 | 26.5 | 26.1 |
| Average night temperature (°C) | 22.3 | 22.4 | 22.6 | 22.7 | 23.0 | 21.8 | 22.4 | 22.9 | 23.5 | 24.0 | 23.8 | 23.6 |
| Absolute minimum temperature (°C) | 21.3 | 20.6 | 20.6 | 21.7 | 22.4 | 18.3 | 21.2 | 21.4 | 21.8 | 22.2 | 22.7 | 22.6 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.3 | 12.2 | 12.1 | 12.0 | 11.9 | 11.9 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 |
| Daylight minimum 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 |
| Sunshine mean duration (h) | 8.1 | 7.8 | 7.2 | 7.1 | 8.2 | 8.2 | 9.8 | 9.8 | 9.8 | 9.9 | 8.6 | 8.3 |
| Precipitation (mm) | 301 | 387 | 365 | 377 | 414 | 263 | 148 | 135 | 124 | 164 | 267 | 394 |
| Sunny days | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 5 | 3 | 2 | 2 | 0 |
| Rainy days | 30 | 27 | 31 | 29 | 31 | 29 | 31 | 26 | 27 | 29 | 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