Oconee, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.6 °F (low) to 76.7 °F (high). Annual precipitation averages 47.7 Inches. Oconee 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.7 °F | 58.6 °F | 4.38 in. |
| February | 36.6 °F | 62.2 °F | 4.29 in. |
| March | 42.3 °F | 69.7 °F | 4.5 in. |
| April | 49.5 °F | 77.3 °F | 3.46 in. |
| May | 58.4 °F | 84.4 °F | 3.01 in. |
| June | 66.6 °F | 90.0 °F | 4.49 in. |
| July | 70.4 °F | 93.3 °F | 4.53 in. |
| August | 69.7 °F | 91.4 °F | 4.83 in. |
| September | 63.5 °F | 86.8 °F | 3.91 in. |
| October | 51.6 °F | 78.0 °F | 2.76 in. |
| November | 40.5 °F | 68.3 °F | 3.05 in. |
| December | 35.9 °F | 60.7 °F | 4.45 in. |
| Annual | 51.6 °F | 76.7 °F | 47.66 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |