Spanish Fort, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 15 °C (low) to 24.5 °C (high). Annual precipitation averages 1729.7 Millimeters. Spanish Fort is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5 °C | 15.4 °C | 139.95 mm |
| February | 7.1 °C | 17.3 °C | 115.57 mm |
| March | 10.6 °C | 20.8 °C | 137.67 mm |
| April | 14.3 °C | 24 °C | 144.02 mm |
| May | 18.8 °C | 27.9 °C | 131.32 mm |
| June | 22.9 °C | 30.7 °C | 169.16 mm |
| July | 23.8 °C | 31.9 °C | 201.17 mm |
| August | 23.7 °C | 31.9 °C | 181.61 mm |
| September | 21.5 °C | 30.3 °C | 152.15 mm |
| October | 15.8 °C | 26.1 °C | 108.71 mm |
| November | 9.8 °C | 20.7 °C | 109.98 mm |
| December | 6.7 °C | 16.8 °C | 138.43 mm |
| Annual | 15 °C | 24.5 °C | 1729.74 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |