Perry, Ohio has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 5.7 °C (low) to 14.2 °C (high). Annual precipitation averages 1105.7 Millimeters. Perry 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 | -6.3 °C | 1 °C | 81.79 mm |
| February | -6.3 °C | 1.9 °C | 58.93 mm |
| March | -2.6 °C | 6.2 °C | 75.69 mm |
| April | 3.6 °C | 13.3 °C | 95.5 mm |
| May | 9.8 °C | 19.4 °C | 95.76 mm |
| June | 15.2 °C | 24.3 °C | 101.85 mm |
| July | 17.8 °C | 26.4 °C | 108.46 mm |
| August | 17.1 °C | 25.8 °C | 93.47 mm |
| September | 13.4 °C | 22.7 °C | 107.7 mm |
| October | 7.7 °C | 16.1 °C | 103.12 mm |
| November | 2.2 °C | 9.7 °C | 92.71 mm |
| December | -2.7 °C | 3.8 °C | 90.68 mm |
| Annual | 5.7 °C | 14.2 °C | 1105.66 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 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |