Willowick, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.2 °F (low) to 57.8 °F (high). Annual precipitation averages 41.3 Inches. Willowick is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.4 °F | 34.4 °F | 3.03 in. |
| February | 21.9 °F | 35.7 °F | 2.16 in. |
| March | 28.2 °F | 43.1 °F | 2.78 in. |
| April | 39.5 °F | 56.3 °F | 3.43 in. |
| May | 50.8 °F | 67.1 °F | 3.64 in. |
| June | 60.5 °F | 76.1 °F | 3.65 in. |
| July | 64.9 °F | 79.6 °F | 4.1 in. |
| August | 63.6 °F | 78.5 °F | 3.82 in. |
| September | 56.9 °F | 72.9 °F | 4.1 in. |
| October | 46.5 °F | 61.4 °F | 4.04 in. |
| November | 36.6 °F | 49.7 °F | 3.3 in. |
| December | 27.8 °F | 39.3 °F | 3.21 in. |
| Annual | 43.2 °F | 57.8 °F | 41.26 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |