San Luis Climate: Weather by Month and Best Time to Visit
Best months for San Luis: September, April, August, May.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 29°C | 18°C | 107 mm | 13 | – | – | 7.0 |
| February | 28°C | 17°C | 82 mm | 11 | – | – | 7.6 |
| March | 26°C | 15°C | 80 mm | 10 | – | – | 7.8 |
| April | 22°C | 11°C | 53 mm | 7 | – | – | 8.2 |
| May | 18°C | 8°C | 25 mm | 4 | – | – | 8.0 |
| June | 16°C | 5°C | 8 mm | 2 | – | – | 7.9 |
| July | 16°C | 4°C | 9 mm | 2 | – | – | 7.8 |
| August | 19°C | 6°C | 15 mm | 3 | – | – | 8.2 |
| September | 21°C | 9°C | 29 mm | 4 | – | – | 8.4 |
| October | 24°C | 12°C | 66 mm | 9 | – | – | 7.9 |
| November | 27°C | 14°C | 90 mm | 12 | – | – | 7.5 |
| December | 29°C | 17°C | 101 mm | 13 | – | – | 7.2 |