Hickory, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.6 °F (low) to 75.7 °F (high). Annual precipitation averages 58.8 Inches. Hickory 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. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.7 °F | 56.7 °F | 5.86 in. |
| February | 36.9 °F | 61.4 °F | 5.49 in. |
| March | 43.3 °F | 68.9 °F | 5.72 in. |
| April | 50.5 °F | 75.7 °F | 5.83 in. |
| May | 59.2 °F | 82.8 °F | 4.27 in. |
| June | 67.3 °F | 89.5 °F | 4.98 in. |
| July | 69.6 °F | 91.4 °F | 4.99 in. |
| August | 68.7 °F | 91.3 °F | 4.62 in. |
| September | 63.2 °F | 87.0 °F | 3.38 in. |
| October | 50.9 °F | 77.7 °F | 3.56 in. |
| November | 40.5 °F | 66.9 °F | 4.6 in. |
| December | 35.9 °F | 59.1 °F | 5.54 in. |
| Annual | 51.6 °F | 75.7 °F | 58.84 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 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 |