Mount Olive, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.1 °F (low) to 72.5 °F (high). Annual precipitation averages 50.5 Inches. Mount Olive is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 32.6 °F | 53.5 °F | 3.59 in. |
| February | 34.4 °F | 56.7 °F | 3.16 in. |
| March | 40.5 °F | 64.0 °F | 3.72 in. |
| April | 49.4 °F | 73.4 °F | 3.39 in. |
| May | 58.6 °F | 80.3 °F | 4.06 in. |
| June | 66.7 °F | 86.9 °F | 4.97 in. |
| July | 70.6 °F | 89.6 °F | 5.97 in. |
| August | 68.7 °F | 87.7 °F | 5.54 in. |
| September | 63.5 °F | 82.7 °F | 6.27 in. |
| October | 51.1 °F | 74.0 °F | 3.26 in. |
| November | 40.9 °F | 64.2 °F | 3.27 in. |
| December | 35.6 °F | 56.7 °F | 3.25 in. |
| Annual | 51.1 °F | 72.5 °F | 50.45 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| 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 |