Quitman, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.6 °F (low) to 76.3 °F (high). Annual precipitation averages 59.3 Inches. Quitman 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 | 34.7 °F | 57.7 °F | 5.6 in. |
| February | 37.9 °F | 62.3 °F | 5.44 in. |
| March | 44.1 °F | 70.0 °F | 6.63 in. |
| April | 51.2 °F | 77.2 °F | 5.3 in. |
| May | 60.0 °F | 84.2 °F | 3.97 in. |
| June | 67.8 °F | 89.5 °F | 5.24 in. |
| July | 70.6 °F | 91.6 °F | 5.58 in. |
| August | 69.7 °F | 91.4 °F | 4.55 in. |
| September | 64.4 °F | 86.9 °F | 3.53 in. |
| October | 52.0 °F | 77.6 °F | 3.39 in. |
| November | 41.4 °F | 67.2 °F | 4.38 in. |
| December | 36.8 °F | 59.8 °F | 5.64 in. |
| Annual | 52.6 °F | 76.3 °F | 59.25 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 |