Van Vleet, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51 °F (low) to 73.8 °F (high). Annual precipitation averages 57.1 Inches. Van Vleet is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.7 °F | 52.3 °F | 5.0 in. |
| February | 34.8 °F | 56.9 °F | 5.14 in. |
| March | 41.9 °F | 65.7 °F | 5.16 in. |
| April | 50.1 °F | 74.6 °F | 5.63 in. |
| May | 59.4 °F | 82.2 °F | 5.24 in. |
| June | 67.1 °F | 88.8 °F | 5.03 in. |
| July | 70.4 °F | 91.8 °F | 4.41 in. |
| August | 69.2 °F | 91.7 °F | 4.03 in. |
| September | 62.4 °F | 86.6 °F | 3.75 in. |
| October | 50.6 °F | 76.4 °F | 3.48 in. |
| November | 40.2 °F | 63.8 °F | 4.35 in. |
| December | 34.7 °F | 54.9 °F | 5.92 in. |
| Annual | 51 °F | 73.8 °F | 57.14 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |