Chagrin Falls, Ohio has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.7 °C (low) to 14.9 °C (high). Annual precipitation averages 1101.8 Millimeters. Chagrin Falls 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 | -7.4 °C | 0.8 °C | 80.26 mm |
| February | -7 °C | 2.3 °C | 61.21 mm |
| March | -2.8 °C | 7.2 °C | 82.8 mm |
| April | 3.3 °C | 14.6 °C | 98.81 mm |
| May | 9.2 °C | 21 °C | 103.38 mm |
| June | 14.3 °C | 25.6 °C | 106.68 mm |
| July | 16.6 °C | 27.8 °C | 108.46 mm |
| August | 15.6 °C | 26.9 °C | 95.5 mm |
| September | 11.7 °C | 23.3 °C | 102.36 mm |
| October | 5.9 °C | 16.4 °C | 94.74 mm |
| November | 0.8 °C | 9.5 °C | 84.33 mm |
| December | -3.8 °C | 3.5 °C | 83.31 mm |
| Annual | 4.7 °C | 14.9 °C | 1101.84 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |