South Weldon, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.6 °F (low) to 70.6 °F (high). Annual precipitation averages 48 Inches. South Weldon 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 | 29.7 °F | 50.6 °F | 3.65 in. |
| February | 31.0 °F | 53.7 °F | 2.75 in. |
| March | 37.4 °F | 61.0 °F | 4.2 in. |
| April | 46.5 °F | 71.0 °F | 3.55 in. |
| May | 56.0 °F | 78.3 °F | 3.52 in. |
| June | 64.7 °F | 85.8 °F | 4.57 in. |
| July | 69.1 °F | 89.5 °F | 5.14 in. |
| August | 67.2 °F | 87.6 °F | 4.98 in. |
| September | 61.3 °F | 82.0 °F | 5.37 in. |
| October | 48.7 °F | 72.2 °F | 3.4 in. |
| November | 38.4 °F | 62.1 °F | 3.36 in. |
| December | 32.6 °F | 53.8 °F | 3.49 in. |
| Annual | 48.6 °F | 70.6 °F | 47.98 in. |
| 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 : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |