Scranton, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.1 °C (low) to 24 °C (high). Annual precipitation averages 1242.8 Millimeters. Scranton is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.2 °C | 13.9 °C | 90.17 mm |
| February | 2.4 °C | 15.8 °C | 85.09 mm |
| March | 5.6 °C | 19.7 °C | 91.69 mm |
| April | 10.1 °C | 24.6 °C | 84.84 mm |
| May | 15.1 °C | 28.3 °C | 95.25 mm |
| June | 19.7 °C | 31.4 °C | 121.92 mm |
| July | 21.6 °C | 33.2 °C | 136.4 mm |
| August | 20.9 °C | 32.2 °C | 148.84 mm |
| September | 17.8 °C | 29.6 °C | 133.1 mm |
| October | 11.3 °C | 24.7 °C | 81.79 mm |
| November | 5.4 °C | 19.6 °C | 75.69 mm |
| December | 2.6 °C | 15.3 °C | 98.04 mm |
| Annual | 11.1 °C | 24 °C | 1242.82 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |