Crown City, Ohio has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.5 °C (low) to 19.2 °C (high). Annual precipitation averages 1124 Millimeters. Crown City is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.8 °C | 5.7 °C | 85.09 mm |
| February | -3.7 °C | 7.9 °C | 77.98 mm |
| March | -0.1 °C | 13.1 °C | 102.11 mm |
| April | 5.3 °C | 20.2 °C | 91.69 mm |
| May | 11.1 °C | 24.7 °C | 115.32 mm |
| June | 15.9 °C | 28.7 °C | 106.43 mm |
| July | 18.1 °C | 30.6 °C | 125.48 mm |
| August | 17.3 °C | 29.9 °C | 91.44 mm |
| September | 13.2 °C | 26.9 °C | 89.66 mm |
| October | 6.7 °C | 20.7 °C | 74.42 mm |
| November | 0.9 °C | 13.6 °C | 72.39 mm |
| December | -2.3 °C | 7.9 °C | 91.95 mm |
| Annual | 6.5 °C | 19.2 °C | 1123.96 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |