Omega, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.5 °F (low) to 77.3 °F (high). Annual precipitation averages 49.4 Inches. Omega 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 | 38.7 °F | 60.6 °F | 4.52 in. |
| February | 41.7 °F | 64.3 °F | 4.19 in. |
| March | 47.2 °F | 70.9 °F | 5.03 in. |
| April | 54.0 °F | 77.6 °F | 3.4 in. |
| May | 62.3 °F | 84.7 °F | 2.79 in. |
| June | 69.3 °F | 89.0 °F | 5.19 in. |
| July | 71.6 °F | 91.1 °F | 5.08 in. |
| August | 71.2 °F | 90.4 °F | 5.02 in. |
| September | 66.7 °F | 86.8 °F | 4.43 in. |
| October | 56.7 °F | 79.2 °F | 3.02 in. |
| November | 46.0 °F | 70.1 °F | 2.79 in. |
| December | 41.0 °F | 63.0 °F | 3.98 in. |
| Annual | 55.5 °F | 77.3 °F | 49.44 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |