Average annual temperature is 24.2 °C
Absolute maximum temperature: 31.6 °C
Absolute minimum temperature: 18.3 °C
Number of sunny days: 261 days
Number of rainy days: 104 days
Look at detailed online map of San Luís
* Weather data for San Luís 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) | 30.3 | 31.6 | 31.3 | 30.7 | 30.4 | 30.3 | 31.0 | 29.3 | 28.4 | 29.6 | 29.0 | 30.5 |
| Average daytime temperature (°C) | 28.0 | 30.3 | 29.3 | 29.0 | 29.0 | 28.1 | 28.4 | 27.4 | 27.1 | 27.7 | 27.3 | 28.0 |
| Average temperature (°C) | 23.6 | 26.4 | 26.0 | 26.1 | 25.4 | 24.1 | 23.8 | 23.0 | 22.6 | 23.0 | 22.6 | 23.5 |
| Average night temperature (°C) | 20.9 | 23.7 | 23.5 | 23.8 | 23.0 | 21.6 | 21.0 | 20.3 | 19.9 | 20.5 | 20.0 | 21.2 |
| Absolute minimum temperature (°C) | 19.0 | 22.2 | 22.5 | 22.7 | 21.9 | 20.1 | 20.2 | 19.1 | 18.9 | 19.6 | 18.3 | 20.2 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.4 |
| 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) | 10.5 | 10.7 | 9.5 | 8.9 | 10.4 | 10.5 | 10.7 | 10.7 | 11.0 | 10.5 | 10.6 | 10.6 |
| Precipitation (mm) | 10 | 9 | 172 | 211 | 3 | 15 | 1 | 1 | 0 | 7 | 2 | 33 |
| Sunny days | 23 | 21 | 9 | 0 | 28 | 25 | 30 | 28 | 29 | 22 | 27 | 19 |
| Rainy days | 8 | 7 | 22 | 30 | 3 | 5 | 1 | 3 | 1 | 9 | 3 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Luís is at