Strongsville, 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 15.2 °C (high). Annual precipitation averages 1073.2 Millimeters. Strongsville 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 | -6.8 °C | 1.1 °C | 77.98 mm |
| February | -6.2 °C | 2.4 °C | 62.99 mm |
| March | -2 °C | 7.4 °C | 85.85 mm |
| April | 4.2 °C | 14.8 °C | 98.81 mm |
| May | 10.2 °C | 21 °C | 105.16 mm |
| June | 15.4 °C | 25.9 °C | 100.84 mm |
| July | 17.4 °C | 28.1 °C | 100.33 mm |
| August | 16.5 °C | 27.2 °C | 93.73 mm |
| September | 12.6 °C | 23.7 °C | 102.11 mm |
| October | 6.7 °C | 16.9 °C | 90.17 mm |
| November | 1.3 °C | 9.9 °C | 78.99 mm |
| December | -3.4 °C | 3.7 °C | 76.2 mm |
| Annual | 5.5 °C | 15.2 °C | 1073.16 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 |