Canfield, Ohio has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.9 °C (low) to 15.7 °C (high). Annual precipitation averages 1031 Millimeters. Canfield is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.9 °C | 1.3 °C | 71.88 mm |
| February | -7.4 °C | 3 °C | 53.85 mm |
| March | -3.1 °C | 8.3 °C | 76.71 mm |
| April | 2.7 °C | 15.8 °C | 94.23 mm |
| May | 8.3 °C | 21.7 °C | 99.31 mm |
| June | 13.3 °C | 26.3 °C | 112.27 mm |
| July | 15.5 °C | 28.3 °C | 114.05 mm |
| August | 14.4 °C | 27.6 °C | 90.93 mm |
| September | 10.8 °C | 24.2 °C | 96.01 mm |
| October | 4.7 °C | 17.3 °C | 82.8 mm |
| November | -0.2 °C | 10.1 °C | 70.1 mm |
| December | -4.4 °C | 4.1 °C | 68.83 mm |
| Annual | 3.9 °C | 15.7 °C | 1030.97 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |