Bloomingdale, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 56.1 °F (low) to 77.6 °F (high). Annual precipitation averages 51.1 Inches. Bloomingdale 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 Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 38.5 °F | 61.5 °F | 3.66 in. |
| February | 41.3 °F | 64.8 °F | 3.39 in. |
| March | 47.5 °F | 71.2 °F | 3.63 in. |
| April | 54.3 °F | 77.8 °F | 3.45 in. |
| May | 62.6 °F | 84.4 °F | 3.63 in. |
| June | 69.9 °F | 89.5 °F | 6.35 in. |
| July | 72.7 °F | 92.2 °F | 5.69 in. |
| August | 72.3 °F | 90.7 °F | 6.75 in. |
| September | 68.4 °F | 86.3 °F | 4.63 in. |
| October | 57.6 °F | 78.8 °F | 3.67 in. |
| November | 46.7 °F | 70.1 °F | 2.65 in. |
| December | 41.1 °F | 63.7 °F | 3.57 in. |
| Annual | 56.1 °F | 77.6 °F | 51.07 in. |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |