Southern Pines, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.2 °C (low) to 22.4 °C (high). Annual precipitation averages 1256.6 Millimeters. Southern Pines 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. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.3 °C | 11.5 °C | 92.46 mm |
| February | 0.9 °C | 13.6 °C | 80.77 mm |
| March | 4.5 °C | 17.8 °C | 96.77 mm |
| April | 9.5 °C | 23.2 °C | 88.65 mm |
| May | 14.4 °C | 27.1 °C | 93.73 mm |
| June | 18.8 °C | 30.6 °C | 123.44 mm |
| July | 20.9 °C | 32.2 °C | 140.72 mm |
| August | 20.2 °C | 31.2 °C | 120.65 mm |
| September | 16.8 °C | 28.1 °C | 134.11 mm |
| October | 10.3 °C | 22.7 °C | 101.6 mm |
| November | 4.5 °C | 17.3 °C | 88.65 mm |
| December | 1.4 °C | 12.9 °C | 95 mm |
| Annual | 10.2 °C | 22.4 °C | 1256.55 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |