Pelzer, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.2 °C (low) to 22.7 °C (high). Annual precipitation averages 1253 Millimeters. Pelzer is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.1 °C | 11.8 °C | 114.55 mm |
| February | 1.3 °C | 13.9 °C | 104.65 mm |
| March | 4.8 °C | 18.1 °C | 118.36 mm |
| April | 9.2 °C | 23.2 °C | 98.3 mm |
| May | 14.1 °C | 27.1 °C | 89.92 mm |
| June | 18.7 °C | 30.8 °C | 112.27 mm |
| July | 20.6 °C | 32.9 °C | 99.06 mm |
| August | 20.2 °C | 31.9 °C | 117.86 mm |
| September | 16.9 °C | 28.7 °C | 87.88 mm |
| October | 10.3 °C | 23.5 °C | 86.36 mm |
| November | 4.6 °C | 17.6 °C | 98.81 mm |
| December | 1.4 °C | 13 °C | 124.97 mm |
| Annual | 10.2 °C | 22.7 °C | 1252.99 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |