Dover, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.2 °F (low) to 73 °F (high). Annual precipitation averages 53.2 Inches. Dover 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 | 33.0 °F | 54.4 °F | 3.74 in. |
| February | 34.4 °F | 57.6 °F | 3.15 in. |
| March | 40.4 °F | 64.7 °F | 3.88 in. |
| April | 49.4 °F | 73.6 °F | 3.35 in. |
| May | 58.4 °F | 80.4 °F | 3.98 in. |
| June | 66.6 °F | 87.0 °F | 5.18 in. |
| July | 70.6 °F | 90.0 °F | 6.4 in. |
| August | 68.7 °F | 88.0 °F | 6.23 in. |
| September | 63.3 °F | 83.3 °F | 6.51 in. |
| October | 51.7 °F | 74.4 °F | 3.84 in. |
| November | 41.5 °F | 65.2 °F | 3.47 in. |
| December | 35.9 °F | 57.4 °F | 3.47 in. |
| Annual | 51.2 °F | 73 °F | 53.2 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |