Midvale, Ohio has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.8 °C (low) to 16.6 °C (high). Annual precipitation averages 1074.2 Millimeters. Midvale 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.9 °C | 2.3 °C | 78.74 mm |
| February | -6.2 °C | 4.1 °C | 59.69 mm |
| March | -2 °C | 9.6 °C | 85.85 mm |
| April | 3.6 °C | 17 °C | 97.03 mm |
| May | 9.5 °C | 22.6 °C | 106.17 mm |
| June | 14.3 °C | 26.9 °C | 127.25 mm |
| July | 16.5 °C | 28.9 °C | 103.63 mm |
| August | 15.4 °C | 28.3 °C | 95.76 mm |
| September | 11.4 °C | 24.8 °C | 85.34 mm |
| October | 5.2 °C | 18.1 °C | 81.79 mm |
| November | 0.1 °C | 11.1 °C | 75.18 mm |
| December | -3.8 °C | 4.9 °C | 77.72 mm |
| Annual | 4.8 °C | 16.6 °C | 1074.15 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 | Dfb - Humid Continental Mild Summer, Wet All Year |