Elyria, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.9 °C (low) to 15.6 °C (high). Annual precipitation averages 1018.6 Millimeters. Elyria 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 | -6.4 °C | 1.3 °C | 71.12 mm |
| February | -5.8 °C | 2.7 °C | 59.44 mm |
| March | -1.6 °C | 7.7 °C | 71.88 mm |
| April | 4.3 °C | 15.3 °C | 93.73 mm |
| May | 10.4 °C | 21.5 °C | 99.57 mm |
| June | 15.8 °C | 26.4 °C | 100.84 mm |
| July | 17.9 °C | 28.5 °C | 93.22 mm |
| August | 16.9 °C | 27.6 °C | 97.03 mm |
| September | 13 °C | 24.1 °C | 98.3 mm |
| October | 7.1 °C | 17.4 °C | 87.38 mm |
| November | 1.8 °C | 10.4 °C | 76.71 mm |
| December | -3.1 °C | 4.1 °C | 69.34 mm |
| Annual | 5.9 °C | 15.6 °C | 1018.56 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 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 |