Grover, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.6 °F (low) to 71.5 °F (high). Annual precipitation averages 47.1 Inches. Grover is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 29.6 °F | 51.3 °F | 4.03 in. |
| February | 32.3 °F | 55.6 °F | 3.4 in. |
| March | 38.8 °F | 63.2 °F | 4.49 in. |
| April | 47.4 °F | 72.5 °F | 4.0 in. |
| May | 56.2 °F | 79.6 °F | 3.74 in. |
| June | 64.4 °F | 86.3 °F | 4.18 in. |
| July | 67.9 °F | 89.6 °F | 3.96 in. |
| August | 66.9 °F | 87.9 °F | 4.5 in. |
| September | 60.9 °F | 82.7 °F | 3.79 in. |
| October | 48.4 °F | 73.0 °F | 3.29 in. |
| November | 37.7 °F | 62.4 °F | 3.5 in. |
| December | 32.4 °F | 53.9 °F | 4.18 in. |
| Annual | 48.6 °F | 71.5 °F | 47.06 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |