Hermanville, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.3 °C (low) to 24.6 °C (high). Annual precipitation averages 1488.7 Millimeters. Hermanville 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 | 2.5 °C | 14 °C | 147.07 mm |
| February | 4 °C | 16.6 °C | 137.92 mm |
| March | 7.9 °C | 20.9 °C | 145.8 mm |
| April | 11.9 °C | 24.8 °C | 144.27 mm |
| May | 16.7 °C | 28.7 °C | 113.28 mm |
| June | 20.6 °C | 31.9 °C | 119.13 mm |
| July | 22 °C | 33.2 °C | 119.63 mm |
| August | 21.6 °C | 33.4 °C | 107.7 mm |
| September | 18.3 °C | 31 °C | 99.06 mm |
| October | 12 °C | 25.9 °C | 97.79 mm |
| November | 6.6 °C | 19.7 °C | 119.38 mm |
| December | 3.6 °C | 15.3 °C | 137.67 mm |
| Annual | 12.3 °C | 24.6 °C | 1488.7 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 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |