Hoover, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.8 °F (low) to 74.2 °F (high). Annual precipitation averages 58.9 Inches. Hoover 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 | 33.6 °F | 54.6 °F | 5.19 in. |
| February | 36.4 °F | 59.0 °F | 5.59 in. |
| March | 43.0 °F | 67.0 °F | 5.58 in. |
| April | 50.1 °F | 75.1 °F | 5.35 in. |
| May | 59.2 °F | 81.9 °F | 4.42 in. |
| June | 66.8 °F | 87.9 °F | 4.96 in. |
| July | 70.1 °F | 90.9 °F | 5.0 in. |
| August | 69.4 °F | 90.3 °F | 4.57 in. |
| September | 63.7 °F | 86.0 °F | 4.6 in. |
| October | 52.1 °F | 75.8 °F | 3.46 in. |
| November | 41.5 °F | 65.0 °F | 4.71 in. |
| December | 36.1 °F | 56.8 °F | 5.5 in. |
| Annual | 51.8 °F | 74.2 °F | 58.93 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 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |