New Hebron, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.9 °C (low) to 24.8 °C (high). Annual precipitation averages 1521.7 Millimeters. New Hebron 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 | 2.4 °C | 14.7 °C | 148.84 mm |
| February | 3.9 °C | 17.1 °C | 145.03 mm |
| March | 7.5 °C | 21.1 °C | 145.29 mm |
| April | 11.3 °C | 25 °C | 137.41 mm |
| May | 16.1 °C | 28.8 °C | 109.22 mm |
| June | 20.1 °C | 32.1 °C | 125.48 mm |
| July | 21.4 °C | 33.2 °C | 137.16 mm |
| August | 21.1 °C | 33.3 °C | 130.05 mm |
| September | 18.1 °C | 30.9 °C | 97.03 mm |
| October | 11.7 °C | 26.1 °C | 89.92 mm |
| November | 6.2 °C | 20 °C | 113.79 mm |
| December | 3.5 °C | 15.8 °C | 142.49 mm |
| Annual | 11.9 °C | 24.8 °C | 1521.71 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |