Rocky Mount, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.9 °F (low) to 71.1 °F (high). Annual precipitation averages 47.6 Inches. Rocky Mount 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. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.0 °F | 51.6 °F | 3.56 in. |
| February | 32.5 °F | 54.9 °F | 2.83 in. |
| March | 38.9 °F | 62.0 °F | 4.0 in. |
| April | 48.1 °F | 71.5 °F | 3.44 in. |
| May | 57.5 °F | 78.6 °F | 3.45 in. |
| June | 66.1 °F | 86.0 °F | 4.34 in. |
| July | 70.2 °F | 89.4 °F | 4.96 in. |
| August | 68.5 °F | 87.3 °F | 5.15 in. |
| September | 62.4 °F | 81.8 °F | 5.95 in. |
| October | 50.2 °F | 72.7 °F | 3.4 in. |
| November | 39.5 °F | 63.1 °F | 3.16 in. |
| December | 33.9 °F | 54.8 °F | 3.34 in. |
| Annual | 49.9 °F | 71.1 °F | 47.58 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 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 |