Altoona, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.2 °F (low) to 70.9 °F (high). Annual precipitation averages 57.9 Inches. Altoona is located in USDA Plant Hardiness Zone 8a. 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 | 31.5 °F | 50.2 °F | 5.43 in. |
| February | 34.3 °F | 54.5 °F | 5.26 in. |
| March | 41.1 °F | 62.9 °F | 5.68 in. |
| April | 48.6 °F | 71.5 °F | 5.47 in. |
| May | 57.8 °F | 78.8 °F | 4.72 in. |
| June | 65.6 °F | 85.6 °F | 5.23 in. |
| July | 69.0 °F | 88.4 °F | 4.55 in. |
| August | 68.0 °F | 87.8 °F | 4.21 in. |
| September | 61.9 °F | 83.1 °F | 4.11 in. |
| October | 50.3 °F | 73.1 °F | 3.28 in. |
| November | 39.7 °F | 61.4 °F | 4.35 in. |
| December | 34.3 °F | 53.1 °F | 5.62 in. |
| Annual | 50.2 °F | 70.9 °F | 57.91 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| 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 |