Nature — San Luis Potosí
Climate — San Luis Potosí: monthly averages
| Month | Day (max) | Night (min) | Monthly precipitation |
|---|---|---|---|
| January | 26°C | -4°C | 11 mm |
| February | 29°C | -3°C | 17 mm |
| March | 33°C | -3°C | 11 mm |
| April | 34°C | 3°C | 6 mm |
| May | 35°C | 5°C | 28 mm |
| June | 34°C | 7°C | 83 mm |
| July | 30°C | 9°C | 109 mm |
| August | 31°C | 8°C | 89 mm |
| September | 29°C | 5°C | 94 mm |
| October | 29°C | 0°C | 33 mm |
| November | 28°C | -5°C | 13 mm |
| December | 25°C | -6°C | 7 mm |
Long-term model averages for an area of about 50 km — not a forecast; mountains are often cooler. Source: NASA POWER Project (CC BY 4.0) (2001–2025)