Commerce, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.4 °F (low) to 71.9 °F (high). Annual precipitation averages 51.8 Inches. Commerce 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 | 32.2 °F | 52.8 °F | 4.53 in. |
| February | 35.1 °F | 56.6 °F | 4.83 in. |
| March | 41.0 °F | 64.5 °F | 4.7 in. |
| April | 48.6 °F | 72.3 °F | 4.2 in. |
| May | 57.5 °F | 79.2 °F | 3.45 in. |
| June | 65.5 °F | 85.8 °F | 4.95 in. |
| July | 69.1 °F | 89.0 °F | 4.22 in. |
| August | 68.2 °F | 87.7 °F | 4.77 in. |
| September | 62.2 °F | 82.6 °F | 3.87 in. |
| October | 50.7 °F | 73.1 °F | 3.6 in. |
| November | 39.9 °F | 63.4 °F | 3.97 in. |
| December | 34.7 °F | 55.2 °F | 4.71 in. |
| Annual | 50.4 °F | 71.9 °F | 51.8 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |