Mayfield Heights, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.7 °C (low) to 14.8 °C (high). Annual precipitation averages 1166.9 Millimeters. Mayfield Heights 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 | -7.6 °C | 0.7 °C | 87.63 mm |
| February | -7.3 °C | 2.1 °C | 62.99 mm |
| March | -3.1 °C | 7 °C | 84.07 mm |
| April | 3.1 °C | 14.4 °C | 98.3 mm |
| May | 8.9 °C | 20.6 °C | 103.63 mm |
| June | 14.2 °C | 25.4 °C | 105.92 mm |
| July | 16.6 °C | 27.5 °C | 114.55 mm |
| August | 15.9 °C | 26.8 °C | 103.89 mm |
| September | 12.2 °C | 23.2 °C | 110.24 mm |
| October | 6.4 °C | 16.5 °C | 108.46 mm |
| November | 0.9 °C | 9.4 °C | 95 mm |
| December | -3.9 °C | 3.4 °C | 92.2 mm |
| Annual | 4.7 °C | 14.8 °C | 1166.88 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 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |