Louisburg, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.2 °F (low) to 71.2 °F (high). Annual precipitation averages 46.7 Inches. Louisburg is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 29.2 °F | 51.1 °F | 3.51 in. |
| February | 30.7 °F | 54.6 °F | 2.85 in. |
| March | 37.1 °F | 61.9 °F | 4.26 in. |
| April | 46.2 °F | 72.0 °F | 3.36 in. |
| May | 55.9 °F | 79.0 °F | 3.62 in. |
| June | 64.7 °F | 86.0 °F | 4.53 in. |
| July | 68.8 °F | 89.9 °F | 4.5 in. |
| August | 67.4 °F | 88.0 °F | 4.91 in. |
| September | 61.1 °F | 82.0 °F | 5.08 in. |
| October | 48.3 °F | 72.6 °F | 3.32 in. |
| November | 37.4 °F | 62.5 °F | 3.38 in. |
| December | 32.1 °F | 54.2 °F | 3.35 in. |
| Annual | 48.2 °F | 71.2 °F | 46.67 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |