Brecksville, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.5 °C (low) to 15.4 °C (high). Annual precipitation averages 1120.6 Millimeters. Brecksville 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 | -6.7 °C | 1.3 °C | 78.23 mm |
| February | -6.3 °C | 2.6 °C | 59.94 mm |
| March | -2.2 °C | 7.5 °C | 90.93 mm |
| April | 4.2 °C | 14.8 °C | 104.14 mm |
| May | 10.2 °C | 21.5 °C | 110.49 mm |
| June | 15.3 °C | 26.1 °C | 108.2 mm |
| July | 17.5 °C | 28.5 °C | 103.12 mm |
| August | 16.5 °C | 27.5 °C | 103.12 mm |
| September | 12.6 °C | 23.8 °C | 104.39 mm |
| October | 6.8 °C | 17 °C | 94.74 mm |
| November | 1.6 °C | 10 °C | 82.8 mm |
| December | -3.2 °C | 3.8 °C | 80.52 mm |
| Annual | 5.5 °C | 15.4 °C | 1120.62 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 |