Warrenton, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.5 °F (low) to 74.5 °F (high). Annual precipitation averages 47.5 Inches. Warrenton is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.9 °F | 56.1 °F | 4.4 in. |
| February | 36.1 °F | 59.4 °F | 3.94 in. |
| March | 42.1 °F | 67.3 °F | 4.79 in. |
| April | 49.7 °F | 74.9 °F | 3.16 in. |
| May | 58.6 °F | 82.1 °F | 3.07 in. |
| June | 66.6 °F | 88.1 °F | 4.47 in. |
| July | 70.1 °F | 91.2 °F | 4.06 in. |
| August | 69.1 °F | 89.9 °F | 4.73 in. |
| September | 63.4 °F | 84.8 °F | 4.39 in. |
| October | 51.9 °F | 75.8 °F | 3.08 in. |
| November | 40.9 °F | 66.1 °F | 3.24 in. |
| December | 36.1 °F | 58.4 °F | 4.17 in. |
| Annual | 51.5 °F | 74.5 °F | 47.5 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |