Solon, Ohio has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.7 °C (low) to 15 °C (high). Annual precipitation averages 1091.2 Millimeters. Solon is located in USDA Plant Hardiness Zone 6a. 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 | 78.49 mm |
| February | -7 °C | 2.3 °C | 60.45 mm |
| March | -2.9 °C | 7.3 °C | 83.31 mm |
| April | 3.3 °C | 14.6 °C | 99.06 mm |
| May | 9.3 °C | 21.1 °C | 104.39 mm |
| June | 14.3 °C | 25.7 °C | 106.68 mm |
| July | 16.6 °C | 27.9 °C | 106.93 mm |
| August | 15.6 °C | 27.1 °C | 95.76 mm |
| September | 11.7 °C | 23.4 °C | 100.84 mm |
| October | 5.9 °C | 16.5 °C | 92.2 mm |
| November | 0.8 °C | 9.5 °C | 82.04 mm |
| December | -3.9 °C | 3.4 °C | 81.03 mm |
| Annual | 4.7 °C | 15 °C | 1091.18 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 6a : -23.3°C to -20.6°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 |