Loris, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.1 °C (low) to 23.3 °C (high). Annual precipitation averages 1388.1 Millimeters. Loris 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.1 °C | 13.4 °C | 99.31 mm |
| February | 2.2 °C | 15.1 °C | 86.87 mm |
| March | 5.3 °C | 19.1 °C | 95.76 mm |
| April | 10.1 °C | 23.7 °C | 86.11 mm |
| May | 14.9 °C | 27.5 °C | 102.36 mm |
| June | 19.6 °C | 30.6 °C | 150.62 mm |
| July | 21.7 °C | 32.1 °C | 153.16 mm |
| August | 20.9 °C | 31.4 °C | 167.89 mm |
| September | 17.8 °C | 28.4 °C | 179.32 mm |
| October | 11.4 °C | 24.3 °C | 93.98 mm |
| November | 5.6 °C | 19 °C | 84.33 mm |
| December | 2.6 °C | 14.9 °C | 88.39 mm |
| Annual | 11.1 °C | 23.3 °C | 1388.1 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |