Norman Park, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.9 °F (low) to 77.5 °F (high). Annual precipitation averages 50.4 Inches. Norman Park is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 39.0 °F | 60.9 °F | 4.7 in. |
| February | 42.2 °F | 64.7 °F | 4.29 in. |
| March | 47.5 °F | 71.2 °F | 5.15 in. |
| April | 54.3 °F | 78.0 °F | 3.54 in. |
| May | 62.6 °F | 84.8 °F | 2.74 in. |
| June | 69.6 °F | 89.1 °F | 5.48 in. |
| July | 71.8 °F | 91.0 °F | 5.32 in. |
| August | 71.5 °F | 90.4 °F | 5.2 in. |
| September | 67.1 °F | 87.0 °F | 4.35 in. |
| October | 57.2 °F | 79.4 °F | 3.01 in. |
| November | 46.6 °F | 70.2 °F | 2.85 in. |
| December | 41.5 °F | 63.3 °F | 3.79 in. |
| Annual | 55.9 °F | 77.5 °F | 50.42 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| 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 |