Vardaman, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.4 °C (low) to 23 °C (high). Annual precipitation averages 1474 Millimeters. Vardaman 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 | -0.2 °C | 11.5 °C | 128.52 mm |
| February | 1.5 °C | 14.1 °C | 133.35 mm |
| March | 5.4 °C | 18.9 °C | 135.13 mm |
| April | 9.8 °C | 23.5 °C | 153.16 mm |
| May | 14.9 °C | 27.3 °C | 137.92 mm |
| June | 19.3 °C | 30.8 °C | 127 mm |
| July | 21.2 °C | 32.6 °C | 111.51 mm |
| August | 20.5 °C | 32.4 °C | 102.87 mm |
| September | 16.7 °C | 29.8 °C | 93.73 mm |
| October | 10.1 °C | 24.5 °C | 91.69 mm |
| November | 4.3 °C | 17.9 °C | 108.97 mm |
| December | 1.3 °C | 13.1 °C | 150.11 mm |
| Annual | 10.4 °C | 23 °C | 1473.96 mm |
| 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 : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |