Trenton, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.1 °F (low) to 71.2 °F (high). Annual precipitation averages 56.7 Inches. Trenton is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 29.4 °F | 50.2 °F | 5.35 in. |
| February | 32.2 °F | 54.6 °F | 5.35 in. |
| March | 38.6 °F | 63.1 °F | 5.45 in. |
| April | 46.1 °F | 72.2 °F | 4.93 in. |
| May | 55.7 °F | 79.3 °F | 4.29 in. |
| June | 63.9 °F | 85.9 °F | 4.25 in. |
| July | 67.6 °F | 88.7 °F | 4.7 in. |
| August | 66.8 °F | 88.6 °F | 3.63 in. |
| September | 60.3 °F | 83.5 °F | 4.5 in. |
| October | 47.8 °F | 73.3 °F | 3.46 in. |
| November | 36.8 °F | 61.7 °F | 4.83 in. |
| December | 32.2 °F | 53.0 °F | 5.96 in. |
| Annual | 48.1 °F | 71.2 °F | 56.7 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |