Canal Winchester, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.7 °F (low) to 63 °F (high). Annual precipitation averages 41.4 Inches. Canal Winchester is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.8 °F | 37.0 °F | 3.03 in. |
| February | 23.6 °F | 40.4 °F | 2.51 in. |
| March | 31.7 °F | 50.9 °F | 3.49 in. |
| April | 42.1 °F | 64.0 °F | 3.99 in. |
| May | 53.0 °F | 73.9 °F | 4.24 in. |
| June | 61.9 °F | 82.2 °F | 4.51 in. |
| July | 65.2 °F | 85.0 °F | 4.33 in. |
| August | 63.3 °F | 84.0 °F | 3.46 in. |
| September | 56.0 °F | 78.3 °F | 3.18 in. |
| October | 44.5 °F | 66.0 °F | 2.78 in. |
| November | 34.3 °F | 52.5 °F | 2.95 in. |
| December | 27.2 °F | 41.6 °F | 2.97 in. |
| Annual | 43.7 °F | 63 °F | 41.44 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |