Havelock, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.2 °F (low) to 72.9 °F (high). Annual precipitation averages 60.1 Inches. Havelock is located in USDA Plant Hardiness Zone 8b. 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 | 34.8 °F | 55.8 °F | 4.33 in. |
| February | 36.6 °F | 58.4 °F | 3.8 in. |
| March | 42.5 °F | 64.7 °F | 3.77 in. |
| April | 51.2 °F | 72.6 °F | 3.79 in. |
| May | 59.7 °F | 79.3 °F | 4.39 in. |
| June | 67.9 °F | 85.7 °F | 5.13 in. |
| July | 71.8 °F | 88.6 °F | 6.84 in. |
| August | 70.6 °F | 87.2 °F | 7.01 in. |
| September | 66.0 °F | 83.1 °F | 7.74 in. |
| October | 54.9 °F | 74.9 °F | 5.04 in. |
| November | 44.1 °F | 65.9 °F | 4.26 in. |
| December | 38.0 °F | 59.0 °F | 4.04 in. |
| Annual | 53.2 °F | 72.9 °F | 60.14 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |