New Hebron, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.5 °F (low) to 76.7 °F (high). Annual precipitation averages 59.9 Inches. 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 | 36.3 °F | 58.4 °F | 5.86 in. |
| February | 39.1 °F | 62.7 °F | 5.71 in. |
| March | 45.5 °F | 70.0 °F | 5.72 in. |
| April | 52.4 °F | 77.0 °F | 5.41 in. |
| May | 61.0 °F | 83.9 °F | 4.3 in. |
| June | 68.2 °F | 89.7 °F | 4.94 in. |
| July | 70.6 °F | 91.8 °F | 5.4 in. |
| August | 69.9 °F | 92.0 °F | 5.12 in. |
| September | 64.6 °F | 87.6 °F | 3.82 in. |
| October | 53.0 °F | 78.9 °F | 3.54 in. |
| November | 43.2 °F | 68.0 °F | 4.48 in. |
| December | 38.3 °F | 60.5 °F | 5.61 in. |
| Annual | 53.5 °F | 76.7 °F | 59.91 in. |
| 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 : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |