Carrollton, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.9 °F (low) to 73.7 °F (high). Annual precipitation averages 58.1 Inches. Carrollton is located in USDA Plant Hardiness Zone 8a. 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 | 33.0 °F | 53.0 °F | 5.26 in. |
| February | 35.8 °F | 57.6 °F | 5.13 in. |
| March | 43.0 °F | 66.1 °F | 5.66 in. |
| April | 51.0 °F | 74.0 °F | 5.89 in. |
| May | 60.4 °F | 81.6 °F | 5.2 in. |
| June | 67.8 °F | 87.8 °F | 4.29 in. |
| July | 70.8 °F | 90.3 °F | 4.62 in. |
| August | 69.7 °F | 90.6 °F | 3.8 in. |
| September | 63.0 °F | 86.1 °F | 3.79 in. |
| October | 51.3 °F | 76.4 °F | 3.72 in. |
| November | 41.1 °F | 64.7 °F | 4.73 in. |
| December | 35.3 °F | 55.6 °F | 6.02 in. |
| Annual | 51.9 °F | 73.7 °F | 58.11 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 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |