Ardmore, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.4 °C (low) to 21.5 °C (high). Annual precipitation averages 1495.3 Millimeters. Ardmore is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.1 °C | 9.5 °C | 137.41 mm |
| February | 0.3 °C | 11.9 °C | 136.65 mm |
| March | 4.2 °C | 16.7 °C | 140.21 mm |
| April | 8.9 °C | 21.9 °C | 133.6 mm |
| May | 14.5 °C | 26.3 °C | 118.87 mm |
| June | 18.3 °C | 29.7 °C | 120.65 mm |
| July | 20.2 °C | 31.6 °C | 126.24 mm |
| August | 19.4 °C | 31.2 °C | 109.47 mm |
| September | 15.6 °C | 28.6 °C | 105.41 mm |
| October | 9.2 °C | 23.2 °C | 95.25 mm |
| November | 3.3 °C | 16.3 °C | 110.49 mm |
| December | 0.5 °C | 11.3 °C | 161.04 mm |
| Annual | 9.4 °C | 21.5 °C | 1495.29 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |