Holtville, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.3 °F (low) to 75.8 °F (high). Annual precipitation averages 55.3 Inches. Holtville is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.6 °F | 57.1 °F | 5.3 in. |
| February | 38.6 °F | 61.6 °F | 5.44 in. |
| March | 44.7 °F | 69.4 °F | 5.2 in. |
| April | 51.3 °F | 76.4 °F | 4.59 in. |
| May | 60.3 °F | 83.4 °F | 4.26 in. |
| June | 68.0 °F | 89.2 °F | 4.96 in. |
| July | 71.3 °F | 91.3 °F | 4.93 in. |
| August | 70.5 °F | 90.9 °F | 4.1 in. |
| September | 65.3 °F | 86.8 °F | 3.81 in. |
| October | 53.8 °F | 77.4 °F | 3.08 in. |
| November | 42.8 °F | 67.2 °F | 4.07 in. |
| December | 37.9 °F | 59.2 °F | 5.56 in. |
| Annual | 53.3 °F | 75.8 °F | 55.3 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |