Conneaut, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6 °C (low) to 13.8 °C (high). Annual precipitation averages 1069.4 Millimeters. Conneaut 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 | -6.1 °C | 1.2 °C | 78.99 mm |
| February | -6.1 °C | 1.7 °C | 57.4 mm |
| March | -2.4 °C | 5.6 °C | 71.63 mm |
| April | 3.7 °C | 12.6 °C | 94.23 mm |
| May | 9.9 °C | 18.6 °C | 87.38 mm |
| June | 15.4 °C | 23.5 °C | 101.6 mm |
| July | 18.2 °C | 25.7 °C | 98.81 mm |
| August | 17.6 °C | 25.2 °C | 86.11 mm |
| September | 13.8 °C | 22.2 °C | 109.22 mm |
| October | 8.1 °C | 15.9 °C | 107.7 mm |
| November | 2.6 °C | 9.7 °C | 89.92 mm |
| December | -2.3 °C | 3.9 °C | 86.36 mm |
| Annual | 6 °C | 13.8 °C | 1069.35 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 | Dfa - Humid Continental Hot Summers With Year Around Precipitation |