Weldon, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.2 °C (low) to 21.5 °C (high). Annual precipitation averages 1219.5 Millimeters. 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 | -1.3 °C | 10.4 °C | 92.71 mm |
| February | -0.6 °C | 12.1 °C | 69.85 mm |
| March | 3 °C | 16.2 °C | 106.68 mm |
| April | 8 °C | 21.7 °C | 90.17 mm |
| May | 13.3 °C | 25.8 °C | 89.41 mm |
| June | 18.2 °C | 29.9 °C | 116.08 mm |
| July | 20.6 °C | 32.1 °C | 130.81 mm |
| August | 19.6 °C | 30.9 °C | 126.49 mm |
| September | 16.3 °C | 27.8 °C | 136.4 mm |
| October | 9.3 °C | 22.4 °C | 86.61 mm |
| November | 3.6 °C | 16.8 °C | 85.34 mm |
| December | 0.3 °C | 12.2 °C | 88.9 mm |
| Annual | 9.2 °C | 21.5 °C | 1219.45 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 7b : -15°C to -12.2°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |