Pendergrass, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.3 °C (low) to 22.2 °C (high). Annual precipitation averages 1321.3 Millimeters. Pendergrass is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.2 °C | 11.6 °C | 121.92 mm |
| February | 1.7 °C | 13.6 °C | 117.09 mm |
| March | 4.9 °C | 18 °C | 123.7 mm |
| April | 9.1 °C | 22.6 °C | 102.11 mm |
| May | 14.1 °C | 26.4 °C | 92.71 mm |
| June | 18.6 °C | 30.1 °C | 117.35 mm |
| July | 20.6 °C | 31.8 °C | 110.74 mm |
| August | 20.1 °C | 31.1 °C | 121.41 mm |
| September | 16.8 °C | 28.2 °C | 101.85 mm |
| October | 10.6 °C | 22.9 °C | 92.71 mm |
| November | 4.7 °C | 17.6 °C | 100.84 mm |
| December | 1.8 °C | 12.9 °C | 118.87 mm |
| Annual | 10.3 °C | 22.2 °C | 1321.3 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |