Milledgeville, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52 °F (low) to 76.3 °F (high). Annual precipitation averages 47.5 Inches. Milledgeville is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 34.1 °F | 57.9 °F | 4.24 in. |
| February | 36.1 °F | 61.6 °F | 4.16 in. |
| March | 42.4 °F | 69.1 °F | 4.67 in. |
| April | 49.9 °F | 77.1 °F | 3.52 in. |
| May | 58.9 °F | 84.1 °F | 3.0 in. |
| June | 67.1 °F | 89.9 °F | 4.36 in. |
| July | 70.8 °F | 93.0 °F | 4.12 in. |
| August | 70.0 °F | 91.4 °F | 4.68 in. |
| September | 64.3 °F | 86.5 °F | 4.25 in. |
| October | 52.2 °F | 77.5 °F | 2.7 in. |
| November | 41.4 °F | 67.9 °F | 3.38 in. |
| December | 36.4 °F | 60.0 °F | 4.4 in. |
| Annual | 52 °F | 76.3 °F | 47.48 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |