Sanford, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.8 °C (low) to 25.6 °C (high). Annual precipitation averages 1546.4 Millimeters. Sanford is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3 °C | 15.8 °C | 136.14 mm |
| February | 4.9 °C | 18.3 °C | 124.46 mm |
| March | 8.1 °C | 22.1 °C | 141.22 mm |
| April | 11.8 °C | 25.8 °C | 122.43 mm |
| May | 16.5 °C | 29.7 °C | 109.22 mm |
| June | 20.7 °C | 32.6 °C | 151.64 mm |
| July | 22.1 °C | 33.6 °C | 168.66 mm |
| August | 21.8 °C | 33.1 °C | 139.95 mm |
| September | 19.2 °C | 31.2 °C | 117.35 mm |
| October | 13.1 °C | 26.6 °C | 91.95 mm |
| November | 7.2 °C | 21.1 °C | 109.22 mm |
| December | 4.7 °C | 17.1 °C | 134.11 mm |
| Annual | 12.8 °C | 25.6 °C | 1546.35 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |