Waco, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.7 °C (low) to 21.7 °C (high). Annual precipitation averages 1387.8 Millimeters. Waco is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.5 °C | 11.1 °C | 127 mm |
| February | 2.4 °C | 13.6 °C | 132.08 mm |
| March | 5.5 °C | 17.8 °C | 140.46 mm |
| April | 9.9 °C | 22.2 °C | 112.01 mm |
| May | 14.8 °C | 26 °C | 103.12 mm |
| June | 18.9 °C | 29.3 °C | 114.81 mm |
| July | 20.8 °C | 30.6 °C | 121.41 mm |
| August | 20.4 °C | 30.6 °C | 105.92 mm |
| September | 17.2 °C | 27.6 °C | 100.08 mm |
| October | 10.9 °C | 22.6 °C | 90.42 mm |
| November | 4.8 °C | 17.1 °C | 112.01 mm |
| December | 2.1 °C | 12.3 °C | 128.52 mm |
| Annual | 10.7 °C | 21.7 °C | 1387.84 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |