Quitman, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.1 °F (low) to 76.6 °F (high). Annual precipitation averages 57.3 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 34.9 °F | 57.1 °F | 5.65 in. |
| February | 37.7 °F | 61.3 °F | 5.13 in. |
| March | 44.6 °F | 69.1 °F | 5.27 in. |
| April | 51.9 °F | 76.5 °F | 5.6 in. |
| May | 61.2 °F | 84.1 °F | 4.83 in. |
| June | 68.7 °F | 90.8 °F | 4.66 in. |
| July | 71.6 °F | 92.7 °F | 3.92 in. |
| August | 70.6 °F | 93.6 °F | 3.58 in. |
| September | 64.2 °F | 88.7 °F | 3.73 in. |
| October | 52.6 °F | 78.9 °F | 4.5 in. |
| November | 42.8 °F | 67.2 °F | 4.79 in. |
| December | 36.8 °F | 59.1 °F | 5.6 in. |
| Annual | 53.1 °F | 76.6 °F | 57.26 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| 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 8b : 15°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |