Pelion, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.4 °F (low) to 75.1 °F (high). Annual precipitation averages 49.3 Inches. Pelion 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 | 34.4 °F | 56.8 °F | 4.33 in. |
| February | 36.6 °F | 60.4 °F | 3.88 in. |
| March | 42.9 °F | 67.8 °F | 4.41 in. |
| April | 50.9 °F | 76.1 °F | 3.3 in. |
| May | 59.9 °F | 83.2 °F | 3.35 in. |
| June | 67.7 °F | 88.9 °F | 5.18 in. |
| July | 70.9 °F | 91.5 °F | 4.75 in. |
| August | 70.1 °F | 90.1 °F | 5.08 in. |
| September | 64.4 °F | 85.2 °F | 4.35 in. |
| October | 52.6 °F | 76.3 °F | 3.35 in. |
| November | 41.8 °F | 66.4 °F | 3.24 in. |
| December | 36.3 °F | 58.9 °F | 4.07 in. |
| Annual | 52.4 °F | 75.1 °F | 49.29 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 8a : 10°F to 15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |