Lyndhurst, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5 °C (low) to 14.8 °C (high). Annual precipitation averages 1154.4 Millimeters. Lyndhurst 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 | -7.3 °C | 0.8 °C | 86.36 mm |
| February | -6.9 °C | 2.2 °C | 62.23 mm |
| March | -2.9 °C | 7.1 °C | 81.53 mm |
| April | 3.3 °C | 14.2 °C | 96.77 mm |
| May | 9.2 °C | 20.3 °C | 102.11 mm |
| June | 14.6 °C | 25.3 °C | 104.14 mm |
| July | 16.9 °C | 27.3 °C | 113.28 mm |
| August | 16.2 °C | 26.6 °C | 104.65 mm |
| September | 12.5 °C | 23.3 °C | 110.24 mm |
| October | 6.7 °C | 16.8 °C | 108.71 mm |
| November | 1.2 °C | 9.6 °C | 93.73 mm |
| December | -3.7 °C | 3.6 °C | 90.68 mm |
| Annual | 5 °C | 14.8 °C | 1154.43 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 |