Vancleave, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.5 °C (low) to 25.2 °C (high). Annual precipitation averages 1764.8 Millimeters. Vancleave is located in USDA Plant Hardiness Zone 9a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.8 °C | 16.4 °C | 151.13 mm |
| February | 5.7 °C | 18.1 °C | 110.49 mm |
| March | 9.3 °C | 21.6 °C | 142.49 mm |
| April | 12.9 °C | 24.8 °C | 145.03 mm |
| May | 17.6 °C | 28.6 °C | 142.49 mm |
| June | 21.5 °C | 31.3 °C | 183.39 mm |
| July | 22.5 °C | 32.4 °C | 218.95 mm |
| August | 22.3 °C | 32.4 °C | 175.26 mm |
| September | 19.9 °C | 30.9 °C | 151.38 mm |
| October | 13.9 °C | 26.9 °C | 100.58 mm |
| November | 7.8 °C | 21.6 °C | 114.05 mm |
| December | 5.2 °C | 17.6 °C | 129.54 mm |
| Annual | 13.5 °C | 25.2 °C | 1764.78 mm |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°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 |