Wickliffe, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.8 °C (low) to 14.5 °C (high). Annual precipitation averages 1108 Millimeters. Wickliffe is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.3 °C | 1.3 °C | 83.06 mm |
| February | -6.1 °C | 2.3 °C | 58.93 mm |
| March | -2.3 °C | 6.8 °C | 76.2 mm |
| April | 3.8 °C | 13.6 °C | 91.19 mm |
| May | 10 °C | 19.7 °C | 97.28 mm |
| June | 15.4 °C | 24.7 °C | 98.55 mm |
| July | 17.8 °C | 26.6 °C | 109.98 mm |
| August | 17.2 °C | 25.9 °C | 100.84 mm |
| September | 13.4 °C | 22.8 °C | 106.68 mm |
| October | 7.6 °C | 16.3 °C | 106.43 mm |
| November | 2.1 °C | 9.9 °C | 90.68 mm |
| December | -2.8 °C | 4.1 °C | 88.14 mm |
| Annual | 5.8 °C | 14.5 °C | 1107.96 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |