Haleyville, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50 °F (low) to 71 °F (high). Annual precipitation averages 65.3 Inches. Haleyville is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 30.5 °F | 50.1 °F | 5.97 in. |
| February | 33.7 °F | 54.2 °F | 6.05 in. |
| March | 40.8 °F | 63.0 °F | 5.67 in. |
| April | 49.0 °F | 71.7 °F | 6.01 in. |
| May | 58.1 °F | 78.7 °F | 5.66 in. |
| June | 65.5 °F | 85.8 °F | 5.36 in. |
| July | 68.7 °F | 88.8 °F | 5.17 in. |
| August | 68.0 °F | 88.5 °F | 4.98 in. |
| September | 61.8 °F | 83.6 °F | 4.44 in. |
| October | 50.3 °F | 73.3 °F | 4.31 in. |
| November | 39.5 °F | 61.4 °F | 4.92 in. |
| December | 34.0 °F | 52.4 °F | 6.71 in. |
| Annual | 50 °F | 71 °F | 65.25 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |