Malvern, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.2 °F (low) to 77.6 °F (high). Annual precipitation averages 59.5 Inches. Malvern is located in USDA Plant Hardiness Zone 9a. 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 | 38.0 °F | 60.6 °F | 4.99 in. |
| February | 41.0 °F | 64.2 °F | 5.38 in. |
| March | 46.6 °F | 71.2 °F | 5.37 in. |
| April | 53.5 °F | 78.0 °F | 4.89 in. |
| May | 62.3 °F | 85.7 °F | 4.02 in. |
| June | 69.6 °F | 89.9 °F | 5.39 in. |
| July | 72.0 °F | 91.7 °F | 6.24 in. |
| August | 71.2 °F | 90.8 °F | 5.68 in. |
| September | 66.8 °F | 87.3 °F | 4.86 in. |
| October | 55.9 °F | 79.5 °F | 3.1 in. |
| November | 45.1 °F | 69.6 °F | 4.3 in. |
| December | 40.7 °F | 62.6 °F | 5.25 in. |
| Annual | 55.2 °F | 77.6 °F | 59.47 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 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |