Leakesville, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12 °C (low) to 25.5 °C (high). Annual precipitation averages 1600.4 Millimeters. Leakesville is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.3 °C | 15.7 °C | 155.45 mm |
| February | 4.2 °C | 18 °C | 126.24 mm |
| March | 7.6 °C | 21.9 °C | 143.76 mm |
| April | 11.1 °C | 25.6 °C | 125.22 mm |
| May | 16.2 °C | 29.5 °C | 121.67 mm |
| June | 19.8 °C | 32.4 °C | 153.92 mm |
| July | 21.4 °C | 33.3 °C | 161.54 mm |
| August | 21.2 °C | 33.2 °C | 141.48 mm |
| September | 18.8 °C | 31.5 °C | 113.54 mm |
| October | 11.9 °C | 26.8 °C | 94.23 mm |
| November | 6.2 °C | 21.1 °C | 113.28 mm |
| December | 3.4 °C | 16.9 °C | 150.11 mm |
| Annual | 12 °C | 25.5 °C | 1600.44 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |