Whitmire, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.5 °F (low) to 74.1 °F (high). Annual precipitation averages 46.2 Inches. Whitmire is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 30.9 °F | 54.7 °F | 3.99 in. |
| February | 33.3 °F | 58.5 °F | 3.64 in. |
| March | 39.1 °F | 66.1 °F | 4.2 in. |
| April | 47.7 °F | 75.3 °F | 3.52 in. |
| May | 57.1 °F | 82.2 °F | 3.33 in. |
| June | 65.6 °F | 89.0 °F | 4.46 in. |
| July | 69.1 °F | 92.1 °F | 3.86 in. |
| August | 68.0 °F | 90.3 °F | 4.12 in. |
| September | 62.1 °F | 84.7 °F | 4.11 in. |
| October | 49.4 °F | 75.1 °F | 3.19 in. |
| November | 38.4 °F | 64.8 °F | 3.53 in. |
| December | 33.3 °F | 56.9 °F | 4.26 in. |
| Annual | 49.5 °F | 74.1 °F | 46.21 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |