Peak, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.8 °F (low) to 75.2 °F (high). Annual precipitation averages 44.9 Inches. Peak 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.3 °F | 56.0 °F | 3.98 in. |
| February | 35.6 °F | 59.8 °F | 3.57 in. |
| March | 41.8 °F | 67.4 °F | 4.0 in. |
| April | 50.1 °F | 76.1 °F | 3.06 in. |
| May | 59.4 °F | 83.2 °F | 3.25 in. |
| June | 67.6 °F | 89.4 °F | 4.16 in. |
| July | 71.0 °F | 92.8 °F | 3.87 in. |
| August | 70.1 °F | 91.1 °F | 4.5 in. |
| September | 64.3 °F | 85.9 °F | 3.95 in. |
| October | 52.2 °F | 76.3 °F | 3.21 in. |
| November | 40.9 °F | 65.9 °F | 3.3 in. |
| December | 35.5 °F | 58.3 °F | 4.06 in. |
| Annual | 51.8 °F | 75.2 °F | 44.91 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |