Holly Springs, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50 °F (low) to 70.4 °F (high). Annual precipitation averages 47.9 Inches. Holly Springs is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.0 °F | 50.8 °F | 3.35 in. |
| February | 33.0 °F | 54.2 °F | 3.0 in. |
| March | 39.3 °F | 62.0 °F | 3.92 in. |
| April | 48.3 °F | 71.3 °F | 3.63 in. |
| May | 57.7 °F | 78.1 °F | 3.47 in. |
| June | 65.9 °F | 85.1 °F | 4.52 in. |
| July | 69.9 °F | 88.4 °F | 4.99 in. |
| August | 68.4 °F | 86.5 °F | 5.24 in. |
| September | 62.8 °F | 80.9 °F | 5.32 in. |
| October | 50.3 °F | 71.4 °F | 3.59 in. |
| November | 39.4 °F | 61.8 °F | 3.39 in. |
| December | 34.0 °F | 53.7 °F | 3.52 in. |
| Annual | 50 °F | 70.4 °F | 47.94 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |