Belville, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.4 °C (low) to 23.6 °C (high). Annual precipitation averages 1543.3 Millimeters. Belville is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.2 °C | 14 °C | 101.6 mm |
| February | 2.1 °C | 15.4 °C | 91.19 mm |
| March | 5.4 °C | 19 °C | 104.9 mm |
| April | 10.4 °C | 23.4 °C | 85.34 mm |
| May | 15.3 °C | 27.3 °C | 106.93 mm |
| June | 19.9 °C | 30.7 °C | 141.22 mm |
| July | 22 °C | 32.3 °C | 175.51 mm |
| August | 21.2 °C | 31.6 °C | 194.31 mm |
| September | 18.4 °C | 29.1 °C | 228.85 mm |
| October | 11.9 °C | 24.7 °C | 123.95 mm |
| November | 6.1 °C | 19.7 °C | 91.44 mm |
| December | 2.7 °C | 15.7 °C | 98.04 mm |
| Annual | 11.4 °C | 23.6 °C | 1543.28 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |