Benton, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.1 °F (low) to 74.9 °F (high). Annual precipitation averages 57.6 Inches. Benton 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. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.1 °F | 56.0 °F | 5.54 in. |
| February | 37.8 °F | 60.4 °F | 5.37 in. |
| March | 44.7 °F | 68.2 °F | 5.76 in. |
| April | 52.4 °F | 74.9 °F | 6.2 in. |
| May | 61.3 °F | 82.1 °F | 4.95 in. |
| June | 68.3 °F | 88.1 °F | 3.9 in. |
| July | 71.0 °F | 90.6 °F | 4.44 in. |
| August | 70.0 °F | 90.8 °F | 3.86 in. |
| September | 64.5 °F | 86.3 °F | 3.49 in. |
| October | 52.6 °F | 77.1 °F | 3.86 in. |
| November | 42.4 °F | 66.1 °F | 4.69 in. |
| December | 37.2 °F | 58.3 °F | 5.58 in. |
| Annual | 53.1 °F | 74.9 °F | 57.64 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |