Conneaut, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.9 °F (low) to 56.9 °F (high). Annual precipitation averages 42.1 Inches. 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 | 21.1 °F | 34.1 °F | 3.11 in. |
| February | 21.1 °F | 35.1 °F | 2.26 in. |
| March | 27.6 °F | 42.1 °F | 2.82 in. |
| April | 38.7 °F | 54.6 °F | 3.71 in. |
| May | 49.9 °F | 65.5 °F | 3.44 in. |
| June | 59.8 °F | 74.3 °F | 4.0 in. |
| July | 64.8 °F | 78.3 °F | 3.89 in. |
| August | 63.6 °F | 77.4 °F | 3.39 in. |
| September | 56.9 °F | 71.9 °F | 4.3 in. |
| October | 46.5 °F | 60.6 °F | 4.24 in. |
| November | 36.7 °F | 49.5 °F | 3.54 in. |
| December | 27.9 °F | 39.1 °F | 3.4 in. |
| Annual | 42.9 °F | 56.9 °F | 42.1 in. |
| 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 : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |