Hammondville, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.8 °C (low) to 21.4 °C (high). Annual precipitation averages 1445.3 Millimeters. Hammondville 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 | -1.6 °C | 9.8 °C | 139.95 mm |
| February | 0.2 °C | 12.2 °C | 134.37 mm |
| March | 3.4 °C | 16.8 °C | 137.92 mm |
| April | 7.3 °C | 21.7 °C | 127.51 mm |
| May | 12.6 °C | 25.8 °C | 115.32 mm |
| June | 17.7 °C | 29.7 °C | 113.28 mm |
| July | 19.4 °C | 31 °C | 115.57 mm |
| August | 18.9 °C | 30.9 °C | 88.39 mm |
| September | 15.5 °C | 28.2 °C | 117.09 mm |
| October | 8.9 °C | 22.6 °C | 93.73 mm |
| November | 2.9 °C | 16.2 °C | 118.11 mm |
| December | 0.3 °C | 11.5 °C | 144.02 mm |
| Annual | 8.8 °C | 21.4 °C | 1445.26 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 |