Comer, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.1 °C (low) to 22.6 °C (high). Annual precipitation averages 1252 Millimeters. Comer is located in USDA Plant Hardiness Zone 8a. 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 | -0.2 °C | 12.2 °C | 115.57 mm |
| February | 1.3 °C | 14.2 °C | 111.76 mm |
| March | 4.7 °C | 18.6 °C | 114.81 mm |
| April | 9.1 °C | 22.9 °C | 90.17 mm |
| May | 14.1 °C | 26.8 °C | 86.87 mm |
| June | 18.7 °C | 30.5 °C | 115.32 mm |
| July | 20.7 °C | 32.2 °C | 102.62 mm |
| August | 20.2 °C | 31.4 °C | 110.74 mm |
| September | 16.8 °C | 28.6 °C | 97.54 mm |
| October | 10.2 °C | 23.2 °C | 88.14 mm |
| November | 4 °C | 17.8 °C | 96.52 mm |
| December | 1.2 °C | 13.3 °C | 121.92 mm |
| Annual | 10.1 °C | 22.6 °C | 1251.98 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |