Newry, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.6 °C (low) to 22.8 °C (high). Annual precipitation averages 1410.2 Millimeters. Newry is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.3 °C | 11.9 °C | 129.03 mm |
| February | 1.7 °C | 14.1 °C | 119.89 mm |
| March | 5.2 °C | 18.2 °C | 125.98 mm |
| April | 9.7 °C | 23.1 °C | 112.27 mm |
| May | 14.6 °C | 27 °C | 99.06 mm |
| June | 19.2 °C | 30.8 °C | 117.86 mm |
| July | 21.1 °C | 32.7 °C | 108.71 mm |
| August | 20.7 °C | 31.8 °C | 147.07 mm |
| September | 17.4 °C | 28.9 °C | 101.6 mm |
| October | 10.7 °C | 23.6 °C | 102.87 mm |
| November | 4.8 °C | 17.8 °C | 108.71 mm |
| December | 1.9 °C | 13.2 °C | 137.16 mm |
| Annual | 10.6 °C | 22.8 °C | 1410.21 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |