Weddington, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.6 °C (low) to 22 °C (high). Annual precipitation averages 1133.3 Millimeters. Weddington 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 | -0.1 °C | 11.2 °C | 96.27 mm |
| February | 1.5 °C | 13.3 °C | 81.53 mm |
| March | 5.2 °C | 17.5 °C | 104.14 mm |
| April | 10 °C | 22.4 °C | 93.22 mm |
| May | 14.9 °C | 26.3 °C | 83.82 mm |
| June | 19.3 °C | 30.1 °C | 103.63 mm |
| July | 21.3 °C | 32 °C | 98.04 mm |
| August | 20.6 °C | 31 °C | 109.47 mm |
| September | 17.4 °C | 28 °C | 100.58 mm |
| October | 10.7 °C | 22.7 °C | 84.07 mm |
| November | 4.7 °C | 17.1 °C | 83.31 mm |
| December | 1.5 °C | 12.6 °C | 95.25 mm |
| Annual | 10.6 °C | 22 °C | 1133.33 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 |