Santa Fe, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 16.4 °C (low) to 25.9 °C (high). Annual precipitation averages 1429.5 Millimeters. Santa Fe is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 7 °C | 17.3 °C | 117.35 mm |
| February | 9 °C | 19.2 °C | 80.77 mm |
| March | 12.4 °C | 22.3 °C | 82.04 mm |
| April | 15.9 °C | 25.4 °C | 104.14 mm |
| May | 20.2 °C | 29 °C | 124.97 mm |
| June | 23.3 °C | 31.9 °C | 147.83 mm |
| July | 24.1 °C | 33 °C | 112.78 mm |
| August | 24.1 °C | 33.4 °C | 151.64 mm |
| September | 22 °C | 31.3 °C | 159.51 mm |
| October | 17.8 °C | 27.5 °C | 124.46 mm |
| November | 12.4 °C | 22.3 °C | 115.32 mm |
| December | 8.1 °C | 18.4 °C | 108.71 mm |
| Annual | 16.4 °C | 25.9 °C | 1429.52 mm |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |