Coleman, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.3 °C (low) to 24.8 °C (high). Annual precipitation averages 1394.7 Millimeters. Coleman is located in USDA Plant Hardiness Zone 8b. 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 | 2.8 °C | 15.2 °C | 131.32 mm |
| February | 4.4 °C | 17.4 °C | 122.94 mm |
| March | 7.4 °C | 21.4 °C | 129.79 mm |
| April | 11 °C | 25 °C | 116.84 mm |
| May | 16.1 °C | 29.2 °C | 79.5 mm |
| June | 20.1 °C | 31.8 °C | 128.02 mm |
| July | 21.6 °C | 32.8 °C | 144.53 mm |
| August | 21.3 °C | 32.3 °C | 125.73 mm |
| September | 18.8 °C | 30.3 °C | 110.24 mm |
| October | 12.7 °C | 25.7 °C | 72.64 mm |
| November | 6.9 °C | 20.4 °C | 98.3 mm |
| December | 4.1 °C | 16.4 °C | 134.87 mm |
| Annual | 12.3 °C | 24.8 °C | 1394.72 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |