Jackson, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.3 °C (low) to 21.5 °C (high). Annual precipitation averages 1256.3 Millimeters. Jackson 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 Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.2 °C | 10.3 °C | 93.47 mm |
| February | -0.3 °C | 12.2 °C | 70.61 mm |
| March | 3.1 °C | 16.2 °C | 107.44 mm |
| April | 8.3 °C | 21.8 °C | 92.71 mm |
| May | 13.4 °C | 25.8 °C | 94.74 mm |
| June | 18.2 °C | 29.9 °C | 118.62 mm |
| July | 20.6 °C | 31.9 °C | 141.73 mm |
| August | 19.6 °C | 30.8 °C | 130.05 mm |
| September | 16.3 °C | 27.7 °C | 135.89 mm |
| October | 9.5 °C | 22.3 °C | 94.74 mm |
| November | 3.7 °C | 16.7 °C | 86.11 mm |
| December | 0.4 °C | 12.2 °C | 90.17 mm |
| Annual | 9.3 °C | 21.5 °C | 1256.28 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 75-100 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 |