Hortense, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.1 °F (low) to 78.6 °F (high). Annual precipitation averages 52 Inches. Hortense is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Dec. 11 - Dec. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 38.3 °F | 63.0 °F | 4.26 in. |
| February | 40.9 °F | 66.3 °F | 3.75 in. |
| March | 46.1 °F | 72.6 °F | 4.25 in. |
| April | 52.7 °F | 79.2 °F | 3.17 in. |
| May | 60.7 °F | 85.7 °F | 3.52 in. |
| June | 68.5 °F | 89.9 °F | 6.84 in. |
| July | 71.2 °F | 92.3 °F | 5.79 in. |
| August | 71.2 °F | 91.1 °F | 7.05 in. |
| September | 67.3 °F | 87.0 °F | 4.36 in. |
| October | 56.8 °F | 79.7 °F | 3.84 in. |
| November | 46.1 °F | 71.7 °F | 2.13 in. |
| December | 41.0 °F | 65.2 °F | 3.0 in. |
| Annual | 55.1 °F | 78.6 °F | 51.96 in. |
| Average First Frost Date | Dec. 11 - Dec. 20 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 10-20 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 |