Average annual temperature is 18.6 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: 0.8 °C
Number of sunny days: 244
Number of rainy days: 121
Number of snow days:
Average annual precipitation: 425 mm
Look at detailed online map of San Luis
* Weather data for San Luis Argentina is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 35.5 | 37.9 | 34.8 | 30.1 | 27.7 | 25.1 | 26.7 | 30.2 | 30.1 | 30.7 | 34.7 | 38.9 |
| Average daytime temperature (°C) | 30.9 | 30.1 | 28.5 | 23 | 20.5 | 17.6 | 17.5 | 20.9 | 22 | 25.1 | 28.3 | 29.6 |
| Average temperature (°C) | 25.2 | 24.3 | 23.3 | 17.7 | 14.9 | 12.1 | 11.6 | 14.6 | 15.4 | 18.6 | 21.8 | 23.8 |
| Average night temperature (°C) | 19.8 | 19.2 | 18.8 | 13.4 | 10.6 | 7.6 | 6.9 | 9.2 | 9.6 | 12.8 | 15.9 | 18.4 |
| Absolute minimum temperature (°C) | 14.9 | 7.3 | 12 | 7 | 4.8 | 1.1 | 0.8 | 5.4 | 3.5 | 5.9 | 4 | 12 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.3 | 13.7 | 12.8 | 11.7 | 10.8 | 10.1 | 10.5 | 11.4 | 12.4 | 13.4 | 14.2 | 14.4 |
| Daylight mean duration (h) | 14.1 | 13.3 | 12.3 | 11.3 | 10.4 | 10 | 10.2 | 10.9 | 11.9 | 12.9 | 13.8 | 14.3 |
| Daylight minimum duration (h) | 13.7 | 12.8 | 11.8 | 10.8 | 10.1 | 10 | 10 | 10.5 | 11.4 | 12.4 | 13.4 | 14.2 |
| Sunshine mean duration (h) | 12.2 | 12 | 10.6 | 9.3 | 8.7 | 8 | 8.5 | 9.1 | 10.1 | 11.1 | 11.9 | 12.2 |
| Precipitation (mm) | 105 | 32 | 61 | 36 | 25 | 2 | 8 | 5 | 8 | 40 | 56 | 46 |
| Sunny days | 11 | 18 | 15 | 16 | 25 | 27 | 27 | 28 | 24 | 24 | 18 | 11 |
| Rainy days | 20 | 10 | 16 | 14 | 6 | 3 | 4 | 3 | 6 | 7 | 12 | 20 |
The largest precipitation sum in San Luis is at