Canton, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.8 °C (low) to 22 °C (high). Annual precipitation averages 1388.1 Millimeters. Canton 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 | -0.6 °C | 10.8 °C | 130.05 mm |
| February | 1.1 °C | 13.1 °C | 124.46 mm |
| March | 4.6 °C | 17.6 °C | 131.32 mm |
| April | 8.8 °C | 22.6 °C | 113.79 mm |
| May | 14 °C | 26.5 °C | 102.87 mm |
| June | 18.4 °C | 30 °C | 107.7 mm |
| July | 20.4 °C | 31.7 °C | 125.98 mm |
| August | 20 °C | 31.4 °C | 112.52 mm |
| September | 16.6 °C | 28.5 °C | 108.46 mm |
| October | 9.9 °C | 23.1 °C | 92.46 mm |
| November | 3.8 °C | 16.8 °C | 111.51 mm |
| December | 1.1 °C | 12.2 °C | 127 mm |
| Annual | 9.8 °C | 22 °C | 1388.12 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 7b : -15°C to -12.2°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |