Hertford, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.7 °F (low) to 71.6 °F (high). Annual precipitation averages 51.6 Inches. Hertford is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.9 °F | 52.4 °F | 3.76 in. |
| February | 33.2 °F | 55.1 °F | 3.16 in. |
| March | 39.3 °F | 61.8 °F | 4.08 in. |
| April | 48.8 °F | 71.5 °F | 3.54 in. |
| May | 57.8 °F | 78.7 °F | 3.94 in. |
| June | 66.2 °F | 86.0 °F | 4.98 in. |
| July | 70.3 °F | 89.3 °F | 5.7 in. |
| August | 68.9 °F | 87.8 °F | 5.78 in. |
| September | 63.6 °F | 82.8 °F | 5.74 in. |
| October | 52.0 °F | 73.8 °F | 3.95 in. |
| November | 41.0 °F | 63.8 °F | 3.46 in. |
| December | 35.1 °F | 56.0 °F | 3.51 in. |
| Annual | 50.7 °F | 71.6 °F | 51.6 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |