Middleburg, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.8 °C (low) to 21.2 °C (high). Annual precipitation averages 1178.8 Millimeters. Middleburg is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.8 °C | 9.7 °C | 92.2 mm |
| February | -0.9 °C | 11.8 °C | 73.41 mm |
| March | 2.7 °C | 15.9 °C | 106.17 mm |
| April | 7.9 °C | 21.8 °C | 95.25 mm |
| May | 13.1 °C | 25.7 °C | 93.98 mm |
| June | 17.7 °C | 29.8 °C | 111.51 mm |
| July | 19.9 °C | 31.7 °C | 116.59 mm |
| August | 19.1 °C | 30.6 °C | 102.87 mm |
| September | 15.7 °C | 27.3 °C | 123.95 mm |
| October | 8.8 °C | 21.7 °C | 89.41 mm |
| November | 2.9 °C | 16.2 °C | 83.06 mm |
| December | -0.1 °C | 11.6 °C | 90.42 mm |
| Annual | 8.8 °C | 21.2 °C | 1178.82 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |