Offerman, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55 °F (low) to 78.6 °F (high). Annual precipitation averages 49.1 Inches. Offerman 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. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 38.2 °F | 62.5 °F | 4.17 in. |
| February | 40.8 °F | 65.8 °F | 3.61 in. |
| March | 46.3 °F | 72.5 °F | 3.81 in. |
| April | 53.0 °F | 79.1 °F | 3.2 in. |
| May | 61.0 °F | 85.8 °F | 3.2 in. |
| June | 68.7 °F | 90.0 °F | 6.29 in. |
| July | 71.4 °F | 92.6 °F | 5.35 in. |
| August | 71.2 °F | 91.3 °F | 6.21 in. |
| September | 67.0 °F | 87.0 °F | 4.39 in. |
| October | 56.3 °F | 79.8 °F | 3.72 in. |
| November | 45.9 °F | 71.4 °F | 2.09 in. |
| December | 40.7 °F | 64.8 °F | 3.02 in. |
| Annual | 55 °F | 78.6 °F | 49.06 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |