Hickory Grove, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.4 °F (low) to 71.9 °F (high). Annual precipitation averages 44.1 Inches. Hickory Grove is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 30.5 °F | 52.3 °F | 3.8 in. |
| February | 33.1 °F | 56.2 °F | 3.27 in. |
| March | 39.3 °F | 64.0 °F | 4.19 in. |
| April | 47.8 °F | 72.9 °F | 3.78 in. |
| May | 57.0 °F | 79.9 °F | 3.4 in. |
| June | 65.3 °F | 86.5 °F | 3.94 in. |
| July | 69.0 °F | 89.9 °F | 3.53 in. |
| August | 67.9 °F | 88.1 °F | 4.11 in. |
| September | 61.7 °F | 82.8 °F | 3.67 in. |
| October | 49.3 °F | 73.0 °F | 3.12 in. |
| November | 38.4 °F | 62.8 °F | 3.37 in. |
| December | 33.1 °F | 54.7 °F | 3.89 in. |
| Annual | 49.4 °F | 71.9 °F | 44.07 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 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 |