Average annual temperature is 27.0 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: 19.6 °C
Number of sunny days: 64 days
Number of rainy days: 301 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) | 36.0 | 33.8 | 34.2 | 31.9 | 31.6 | 32.3 | 33.7 | 35.5 | 37.3 | 37.1 | 38.1 | 36.1 |
| Average daytime temperature (°C) | 32.4 | 31.3 | 30.6 | 30.0 | 30.2 | 30.6 | 31.8 | 33.2 | 34.7 | 34.2 | 34.4 | 32.5 |
| Average temperature (°C) | 27.2 | 26.6 | 26.2 | 25.8 | 25.9 | 25.5 | 26.1 | 27.3 | 28.6 | 28.8 | 28.8 | 27.6 |
| Average night temperature (°C) | 23.0 | 22.6 | 22.8 | 22.6 | 22.5 | 21.7 | 21.5 | 22.2 | 23.3 | 24.2 | 24.1 | 23.6 |
| Absolute minimum temperature (°C) | 20.7 | 21.6 | 20.5 | 20.8 | 21.4 | 19.6 | 19.6 | 20.0 | 21.9 | 22.3 | 22.8 | 22.0 |
| 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) | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 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) | 9.8 | 9.2 | 9.1 | 9.4 | 10.1 | 10.7 | 10.8 | 10.6 | 10.8 | 10.4 | 10.4 | 9.7 |
| Precipitation (mm) | 66 | 63 | 210 | 301 | 263 | 184 | 197 | 101 | 83 | 111 | 66 | 186 |
| Sunny days | 7 | 4 | 9 | 1 | 2 | 1 | 1 | 7 | 8 | 11 | 10 | 3 |
| Rainy days | 24 | 24 | 22 | 29 | 29 | 29 | 30 | 24 | 22 | 20 | 20 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Luis is at