Nahunta, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.7 °C (low) to 25.8 °C (high). Annual precipitation averages 1334.3 Millimeters. Nahunta is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Dec. 11 - Dec. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.3 °C | 17.2 °C | 107.19 mm |
| February | 4.8 °C | 19.1 °C | 95.76 mm |
| March | 7.7 °C | 22.4 °C | 107.7 mm |
| April | 11.4 °C | 26.1 °C | 81.28 mm |
| May | 15.8 °C | 29.7 °C | 88.9 mm |
| June | 20.1 °C | 32.1 °C | 176.28 mm |
| July | 21.6 °C | 33.3 °C | 150.11 mm |
| August | 21.6 °C | 32.7 °C | 180.85 mm |
| September | 19.4 °C | 30.4 °C | 113.79 mm |
| October | 13.6 °C | 26.4 °C | 102.36 mm |
| November | 7.6 °C | 22 °C | 54.1 mm |
| December | 4.9 °C | 18.4 °C | 75.95 mm |
| Annual | 12.7 °C | 25.8 °C | 1334.27 mm |
| Average First Frost Date | Dec. 11 - Dec. 20 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| 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 |