Dudley, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.5 °C (low) to 24.8 °C (high). Annual precipitation averages 1222.3 Millimeters. Dudley 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 | 1.7 °C | 14.8 °C | 115.06 mm |
| February | 3.2 °C | 16.9 °C | 111.76 mm |
| March | 6.4 °C | 20.9 °C | 114.3 mm |
| April | 10.5 °C | 24.9 °C | 89.66 mm |
| May | 15.4 °C | 29.1 °C | 70.87 mm |
| June | 19.8 °C | 32 °C | 117.86 mm |
| July | 21.6 °C | 33.7 °C | 121.41 mm |
| August | 21.2 °C | 32.8 °C | 123.19 mm |
| September | 18 °C | 30.3 °C | 98.81 mm |
| October | 11.7 °C | 25.6 °C | 68.83 mm |
| November | 5.7 °C | 20.2 °C | 77.47 mm |
| December | 3 °C | 16.1 °C | 113.03 mm |
| Annual | 11.5 °C | 24.8 °C | 1222.25 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |