Medina, Ohio has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 5 °C (low) to 15.2 °C (high). Annual precipitation averages 1030 Millimeters. Medina 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 | -7.3 °C | 0.8 °C | 73.66 mm |
| February | -6.7 °C | 2.3 °C | 56.39 mm |
| March | -2.3 °C | 7.7 °C | 78.23 mm |
| April | 3.8 °C | 15.2 °C | 93.98 mm |
| May | 9.7 °C | 21.1 °C | 105.41 mm |
| June | 14.9 °C | 26 °C | 104.65 mm |
| July | 16.9 °C | 28.1 °C | 102.11 mm |
| August | 16 °C | 27.3 °C | 91.44 mm |
| September | 12.1 °C | 23.9 °C | 93.22 mm |
| October | 6.1 °C | 16.8 °C | 83.82 mm |
| November | 0.7 °C | 9.8 °C | 74.42 mm |
| December | -3.9 °C | 3.4 °C | 72.64 mm |
| Annual | 5 °C | 15.2 °C | 1029.97 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 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |