East Griffin, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.9 °C (low) to 22.9 °C (high). Annual precipitation averages 1307.1 Millimeters. East Griffin 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. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.9 °C | 12.7 °C | 120.65 mm |
| February | 2.4 °C | 14.7 °C | 121.67 mm |
| March | 5.9 °C | 19 °C | 125.73 mm |
| April | 9.9 °C | 23.2 °C | 105.92 mm |
| May | 15 °C | 27.3 °C | 83.82 mm |
| June | 19.1 °C | 30.4 °C | 113.03 mm |
| July | 20.9 °C | 32 °C | 129.29 mm |
| August | 20.5 °C | 31.4 °C | 108.46 mm |
| September | 17.3 °C | 28.7 °C | 92.2 mm |
| October | 11.1 °C | 23.6 °C | 83.31 mm |
| November | 5.2 °C | 18.2 °C | 100.08 mm |
| December | 2.3 °C | 13.8 °C | 122.94 mm |
| Annual | 10.9 °C | 22.9 °C | 1307.1 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 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 |