Moraine, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.6 °C (low) to 17.5 °C (high). Annual precipitation averages 1053.1 Millimeters. Moraine is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.7 °C | 2.9 °C | 79.5 mm |
| February | -4.4 °C | 5.1 °C | 59.94 mm |
| March | -0.1 °C | 10.7 °C | 87.63 mm |
| April | 5.8 °C | 17.9 °C | 111.25 mm |
| May | 12.1 °C | 23.6 °C | 113.54 mm |
| June | 17 °C | 28.2 °C | 115.82 mm |
| July | 18.8 °C | 29.9 °C | 102.36 mm |
| August | 17.7 °C | 29.5 °C | 76.2 mm |
| September | 13.4 °C | 26 °C | 77.22 mm |
| October | 6.8 °C | 19.3 °C | 74.42 mm |
| November | 1.2 °C | 11.6 °C | 75.69 mm |
| December | -3 °C | 5.3 °C | 79.5 mm |
| Annual | 6.6 °C | 17.5 °C | 1053.07 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°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 |