Average annual temperature is 23.7 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: 6.8 °C
Number of sunny days: 166 days
Number of rainy days: 199 days
Look at detailed online map of San Luis
* Weather data for San Luis Paraguay is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 37.3 | 34.9 | 34.8 | 32.3 | 29.2 | 29.0 | 29.5 | 33.4 | 36.9 | 37.2 | 38.2 | 37.9 |
| Average daytime temperature (°C) | 32.6 | 30.4 | 31.1 | 26.7 | 25.1 | 23.4 | 24.9 | 27.5 | 30.0 | 30.4 | 31.5 | 32.3 |
| Average temperature (°C) | 27.2 | 25.3 | 26.0 | 22.0 | 20.4 | 18.9 | 20.0 | 22.0 | 24.4 | 25.0 | 26.3 | 27.4 |
| Average night temperature (°C) | 22.7 | 21.3 | 22.2 | 18.4 | 17.0 | 15.5 | 16.5 | 17.9 | 20.2 | 21.2 | 22.4 | 23.8 |
| Absolute minimum temperature (°C) | 19.4 | 12.8 | 18.8 | 12.6 | 10.7 | 8.0 | 6.8 | 9.9 | 10.2 | 13.3 | 10.9 | 19.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.5 | 12.9 | 12.2 | 11.5 | 10.9 | 10.6 | 10.7 | 11.3 | 11.9 | 12.7 | 13.3 | 13.7 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 11.4 | 10.2 | 9.8 | 8.0 | 7.6 | 7.6 | 7.9 | 9.2 | 8.3 | 8.6 | 9.3 | 10.5 |
| Precipitation (mm) | 94 | 161 | 232 | 198 | 89 | 87 | 79 | 76 | 162 | 288 | 402 | 235 |
| Sunny days | 13 | 8 | 10 | 12 | 17 | 20 | 22 | 20 | 17 | 8 | 11 | 8 |
| Rainy days | 18 | 20 | 21 | 18 | 14 | 10 | 9 | 11 | 13 | 23 | 19 | 23 |
| 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