Ellaville, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12 °C (low) to 24.5 °C (high). Annual precipitation averages 1279.1 Millimeters. Ellaville is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.4 °C | 14.6 °C | 116.59 mm |
| February | 3.8 °C | 16.8 °C | 113.28 mm |
| March | 7.2 °C | 21 °C | 125.73 mm |
| April | 10.9 °C | 24.6 °C | 99.57 mm |
| May | 15.9 °C | 28.8 °C | 76.45 mm |
| June | 19.9 °C | 31.7 °C | 116.84 mm |
| July | 21.4 °C | 32.8 °C | 133.1 mm |
| August | 21.1 °C | 32.3 °C | 109.73 mm |
| September | 18.2 °C | 29.8 °C | 100.58 mm |
| October | 12.2 °C | 25.3 °C | 69.85 mm |
| November | 6.6 °C | 20.1 °C | 90.42 mm |
| December | 3.8 °C | 15.9 °C | 127 mm |
| Annual | 12 °C | 24.5 °C | 1279.14 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |