Average annual temperature is 18.9 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: 1.0 °C
Number of sunny days: 193 days
Number of rainy days: 172 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) | 35.9 | 36.2 | 36.0 | 29.6 | 25.2 | 24.9 | 24.9 | 27.8 | 29.6 | 27.8 | 30.9 | 34.4 |
| Average daytime temperature (°C) | 32.1 | 29.8 | 30.0 | 23.3 | 20.6 | 18.6 | 17.1 | 20.1 | 20.5 | 22.4 | 25.5 | 26.7 |
| Average temperature (°C) | 26.2 | 24.1 | 24.9 | 18.1 | 16.0 | 14.4 | 13.0 | 14.7 | 15.8 | 17.3 | 20.6 | 22.5 |
| Average night temperature (°C) | 20.4 | 19.1 | 20.7 | 13.7 | 12.5 | 11.2 | 9.8 | 10.4 | 12.2 | 12.6 | 16.1 | 18.5 |
| Absolute minimum temperature (°C) | 15.6 | 8.7 | 13.7 | 7.4 | 5.6 | 2.2 | 1.0 | 1.7 | 2.7 | 4.5 | 8.8 | 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 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.6 | 10.2 | 10.4 | 11.0 | 11.9 | 12.8 | 13.7 | 14.1 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 11.8 | 11.1 | 9.6 | 9.6 | 7.0 | 7.0 | 6.4 | 9.1 | 6.1 | 9.7 | 9.4 | 9.1 |
| Precipitation (mm) | 55 | 101 | 126 | 52 | 82 | 59 | 139 | 36 | 443 | 81 | 206 | 252 |
| Sunny days | 22 | 14 | 11 | 20 | 19 | 14 | 20 | 21 | 9 | 18 | 13 | 12 |
| Rainy days | 9 | 14 | 20 | 10 | 12 | 16 | 11 | 10 | 21 | 13 | 17 | 19 |
| 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