Malvern, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.5 °F (low) to 73.5 °F (high). Annual precipitation averages 57 Inches. Malvern is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 30.6 °F | 52.1 °F | 4.13 in. |
| February | 33.8 °F | 56.9 °F | 4.72 in. |
| March | 40.9 °F | 65.5 °F | 5.34 in. |
| April | 49.0 °F | 74.6 °F | 6.01 in. |
| May | 59.1 °F | 81.2 °F | 5.7 in. |
| June | 67.1 °F | 88.7 °F | 4.2 in. |
| July | 70.5 °F | 92.3 °F | 4.3 in. |
| August | 69.3 °F | 92.1 °F | 3.56 in. |
| September | 62.2 °F | 86.0 °F | 4.0 in. |
| October | 49.9 °F | 75.4 °F | 4.43 in. |
| November | 39.7 °F | 63.2 °F | 5.1 in. |
| December | 33.4 °F | 54.4 °F | 5.51 in. |
| Annual | 50.5 °F | 73.5 °F | 57 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |