Canton, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.1 °C (low) to 17.1 °C (high). Annual precipitation averages 1007.9 Millimeters. Canton is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.9 °C | 1.4 °C | 43.18 mm |
| February | -6.1 °C | 3.9 °C | 46.74 mm |
| March | -0.6 °C | 10.6 °C | 62.48 mm |
| April | 5.5 °C | 17.6 °C | 102.87 mm |
| May | 11.9 °C | 23.1 °C | 131.57 mm |
| June | 17.4 °C | 28.2 °C | 121.41 mm |
| July | 19.2 °C | 30.3 °C | 101.35 mm |
| August | 18.2 °C | 29.4 °C | 103.38 mm |
| September | 13.4 °C | 25.9 °C | 91.44 mm |
| October | 6.8 °C | 19 °C | 85.85 mm |
| November | 0.4 °C | 11.1 °C | 68.07 mm |
| December | -5.1 °C | 4.1 °C | 49.53 mm |
| Annual | 6.1 °C | 17.1 °C | 1007.87 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |