Average annual temperature is 17.4 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: -0.6 °C
Number of sunny days: 195 days
Number of rainy days: 170 days
Look at detailed online map of San Luis
* Weather data for San Luis Uruguay is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 36.7 | 37.6 | 35.6 | 28.3 | 23.6 | 23.7 | 26.3 | 27.1 | 24.5 | 27.7 | 31.3 | 33.3 |
| Average daytime temperature (°C) | 28.7 | 27.3 | 27.6 | 21.4 | 19.3 | 15.6 | 15.8 | 16.7 | 16.8 | 20.6 | 23.3 | 24.7 |
| Average temperature (°C) | 24.2 | 23.0 | 23.8 | 17.5 | 15.8 | 12.4 | 12.2 | 12.2 | 13.2 | 15.7 | 18.5 | 20.8 |
| Average night temperature (°C) | 19.9 | 19.4 | 20.6 | 14.3 | 12.8 | 9.4 | 9.6 | 8.4 | 10.1 | 11.6 | 14.1 | 17.2 |
| Absolute minimum temperature (°C) | 14.9 | 12.0 | 13.3 | 10.1 | 5.7 | 2.3 | 0.7 | -0.6 | 4.4 | 4.3 | 7.2 | 12.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.2 | 13.3 | 12.3 | 11.2 | 10.3 | 9.9 | 10.1 | 10.9 | 11.9 | 13.0 | 13.9 | 14.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 12.2 | 10.6 | 10.2 | 9.1 | 6.6 | 6.2 | 6.9 | 8.1 | 7.1 | 9.8 | 11.5 | 10.2 |
| Precipitation (mm) | 15 | 102 | 88 | 46 | 110 | 23 | 115 | 91 | 78 | 106 | 102 | 146 |
| Sunny days | 23 | 17 | 14 | 15 | 13 | 16 | 19 | 19 | 16 | 15 | 15 | 13 |
| Rainy days | 8 | 11 | 17 | 15 | 18 | 14 | 12 | 12 | 14 | 16 | 15 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit San Luis during the most sunny months:
The largest precipitation sum in San Luis is at