Westover, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.3 °F (low) to 74.8 °F (high). Annual precipitation averages 57.3 Inches. Westover 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 | 32.4 °F | 55.3 °F | 5.21 in. |
| February | 35.4 °F | 59.8 °F | 5.49 in. |
| March | 41.4 °F | 67.7 °F | 5.47 in. |
| April | 48.3 °F | 75.6 °F | 5.09 in. |
| May | 57.5 °F | 82.4 °F | 4.45 in. |
| June | 65.5 °F | 88.3 °F | 4.92 in. |
| July | 69.0 °F | 91.3 °F | 4.81 in. |
| August | 68.1 °F | 90.6 °F | 4.3 in. |
| September | 62.3 °F | 86.4 °F | 4.24 in. |
| October | 49.9 °F | 76.8 °F | 3.39 in. |
| November | 39.3 °F | 65.9 °F | 4.54 in. |
| December | 34.9 °F | 57.6 °F | 5.4 in. |
| Annual | 50.3 °F | 74.8 °F | 57.31 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 |