Quitman, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.3 °C (low) to 26 °C (high). Annual precipitation averages 1369.8 Millimeters. Quitman is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4 °C | 17.1 °C | 133.86 mm |
| February | 5.7 °C | 19.2 °C | 102.11 mm |
| March | 8.8 °C | 22.8 °C | 127.25 mm |
| April | 12.4 °C | 26.3 °C | 84.58 mm |
| May | 16.7 °C | 30.1 °C | 73.91 mm |
| June | 20.7 °C | 32.3 °C | 175.01 mm |
| July | 21.8 °C | 33.1 °C | 153.67 mm |
| August | 21.8 °C | 32.8 °C | 145.54 mm |
| September | 19.6 °C | 30.9 °C | 122.17 mm |
| October | 13.9 °C | 26.9 °C | 90.93 mm |
| November | 8.3 °C | 22.1 °C | 70.61 mm |
| December | 5.4 °C | 18.4 °C | 90.17 mm |
| Annual | 13.3 °C | 26 °C | 1369.81 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |