Bostic, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.6 °C (low) to 21.9 °C (high). Annual precipitation averages 1301.2 Millimeters. Bostic is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.6 °C | 10.7 °C | 107.44 mm |
| February | -0.4 °C | 13 °C | 93.22 mm |
| March | 3.1 °C | 17.2 °C | 117.35 mm |
| April | 7.7 °C | 22.4 °C | 111.51 mm |
| May | 12.8 °C | 26.4 °C | 104.39 mm |
| June | 17.3 °C | 30.2 °C | 113.79 mm |
| July | 19.4 °C | 31.9 °C | 122.94 mm |
| August | 18.9 °C | 31.1 °C | 114.55 mm |
| September | 15.5 °C | 28.1 °C | 106.43 mm |
| October | 8.6 °C | 22.8 °C | 93.47 mm |
| November | 2.6 °C | 16.7 °C | 98.04 mm |
| December | -0.2 °C | 12.1 °C | 118.11 mm |
| Annual | 8.6 °C | 21.9 °C | 1301.24 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| 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 |