Quitman, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.8 °F (low) to 76 °F (high). Annual precipitation averages 45.5 Inches. Quitman is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.4 °F | 56.0 °F | 3.41 in. |
| February | 36.9 °F | 60.4 °F | 3.83 in. |
| March | 43.9 °F | 67.8 °F | 4.23 in. |
| April | 51.1 °F | 75.4 °F | 3.96 in. |
| May | 61.1 °F | 82.5 °F | 4.63 in. |
| June | 68.9 °F | 89.9 °F | 3.89 in. |
| July | 71.9 °F | 93.7 °F | 2.63 in. |
| August | 70.8 °F | 94.6 °F | 2.62 in. |
| September | 64.1 °F | 88.4 °F | 3.38 in. |
| October | 52.7 °F | 78.2 °F | 4.68 in. |
| November | 43.0 °F | 66.9 °F | 3.72 in. |
| December | 35.8 °F | 58.3 °F | 4.47 in. |
| Annual | 52.8 °F | 76 °F | 45.45 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |