Average annual temperature is 18.6 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: 0.9 °C
Number of sunny days: 184 days
Number of rainy days: 181 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) | 36.4 | 38.1 | 33.7 | 29.3 | 26.1 | 24.4 | 25.8 | 26.8 | 29.5 | 28.0 | 31.1 | 33.1 |
| Average daytime temperature (°C) | 32.1 | 30.5 | 29.2 | 23.3 | 21.2 | 18.5 | 17.1 | 19.7 | 20.3 | 22.4 | 25.2 | 26.8 |
| Average temperature (°C) | 25.7 | 24.4 | 24.2 | 17.9 | 16.1 | 13.8 | 12.7 | 13.9 | 15.7 | 16.9 | 20.1 | 22.3 |
| Average night temperature (°C) | 19.6 | 19.0 | 20.0 | 13.5 | 12.5 | 10.2 | 9.2 | 9.5 | 12.1 | 11.9 | 15.5 | 18.0 |
| Absolute minimum temperature (°C) | 15.0 | 10.2 | 13.1 | 8.0 | 3.9 | 1.6 | 0.9 | 1.4 | 4.2 | 3.8 | 8.3 | 12.2 |
| 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 | 14.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.5 | 10.1 | 10.3 | 11.0 | 11.9 | 12.9 | 13.7 | 14.2 |
| 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 | 14.0 |
| Sunshine mean duration (h) | 11.3 | 10.8 | 9.1 | 9.0 | 6.7 | 6.8 | 6.0 | 8.7 | 5.5 | 9.7 | 8.6 | 8.8 |
| Precipitation (mm) | 55 | 70 | 88 | 57 | 126 | 112 | 247 | 85 | 327 | 110 | 201 | 134 |
| Sunny days | 22 | 13 | 13 | 17 | 19 | 14 | 18 | 23 | 5 | 18 | 10 | 12 |
| Rainy days | 9 | 15 | 18 | 13 | 12 | 16 | 13 | 8 | 25 | 13 | 20 | 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