Lyons, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.4 °F (low) to 59.5 °F (high). Annual precipitation averages 36.4 Inches. Lyons is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.0 °F | 32.1 °F | 2.36 in. |
| February | 18.2 °F | 35.3 °F | 2.09 in. |
| March | 26.4 °F | 45.6 °F | 2.54 in. |
| April | 36.9 °F | 59.1 °F | 3.41 in. |
| May | 48.5 °F | 70.7 °F | 4.01 in. |
| June | 58.4 °F | 80.4 °F | 3.74 in. |
| July | 61.3 °F | 84.1 °F | 3.47 in. |
| August | 59.4 °F | 82.1 °F | 3.57 in. |
| September | 51.7 °F | 76.0 °F | 3.09 in. |
| October | 40.7 °F | 63.0 °F | 2.86 in. |
| November | 31.0 °F | 48.7 °F | 2.89 in. |
| December | 22.8 °F | 37.0 °F | 2.35 in. |
| Annual | 39.4 °F | 59.5 °F | 36.38 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |