Oak Park, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 54.5 °F (low) to 77.4 °F (high). Annual precipitation averages 48 Inches. Oak Park is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 37.2 °F | 60.0 °F | 4.18 in. |
| February | 39.9 °F | 63.8 °F | 3.96 in. |
| March | 45.6 °F | 70.4 °F | 4.14 in. |
| April | 52.6 °F | 77.9 °F | 3.44 in. |
| May | 61.4 °F | 85.2 °F | 3.14 in. |
| June | 68.9 °F | 90.2 °F | 5.21 in. |
| July | 71.7 °F | 92.6 °F | 4.99 in. |
| August | 71.3 °F | 91.5 °F | 5.49 in. |
| September | 66.3 °F | 86.9 °F | 3.73 in. |
| October | 55.4 °F | 78.8 °F | 2.82 in. |
| November | 44.7 °F | 69.5 °F | 2.79 in. |
| December | 39.5 °F | 62.3 °F | 4.08 in. |
| Annual | 54.5 °F | 77.4 °F | 47.97 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |