Hickory, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.8 °C (low) to 20.9 °C (high). Annual precipitation averages 1272.6 Millimeters. Hickory 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 | -1.6 °C | 9.8 °C | 112.52 mm |
| February | -0.4 °C | 11.9 °C | 91.44 mm |
| March | 3.4 °C | 16.1 °C | 109.98 mm |
| April | 8.2 °C | 21.3 °C | 111 mm |
| May | 13.2 °C | 25.2 °C | 110.24 mm |
| June | 17.6 °C | 29.1 °C | 123.19 mm |
| July | 19.7 °C | 30.9 °C | 108.97 mm |
| August | 19 °C | 30 °C | 115.06 mm |
| September | 15.6 °C | 26.9 °C | 98.3 mm |
| October | 8.8 °C | 21.8 °C | 86.61 mm |
| November | 2.9 °C | 16.1 °C | 89.92 mm |
| December | -0.3 °C | 11.3 °C | 115.32 mm |
| Annual | 8.8 °C | 20.9 °C | 1272.55 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 7b : -15°C to -12.2°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |