Ohio City, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.2 °C (low) to 15.8 °C (high). Annual precipitation averages 1004.3 Millimeters. Ohio City 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 | -7.7 °C | 0.5 °C | 65.02 mm |
| February | -6.6 °C | 2.4 °C | 53.09 mm |
| March | -1.9 °C | 8.4 °C | 66.04 mm |
| April | 3.9 °C | 15.9 °C | 96.77 mm |
| May | 10.3 °C | 22.2 °C | 116.08 mm |
| June | 15.8 °C | 27.2 °C | 114.3 mm |
| July | 17.5 °C | 29.1 °C | 109.22 mm |
| August | 16.3 °C | 28.1 °C | 94.49 mm |
| September | 12.2 °C | 24.9 °C | 78.49 mm |
| October | 6.1 °C | 17.9 °C | 73.66 mm |
| November | 0.4 °C | 9.9 °C | 74.93 mm |
| December | -4.5 °C | 3.2 °C | 62.23 mm |
| Annual | 5.2 °C | 15.8 °C | 1004.32 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 | Dfa - Humid Continental Hot Summers With Year Around Precipitation |