Lucas, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.5 °F (low) to 59.6 °F (high). Annual precipitation averages 41.4 Inches. Lucas 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 | 17.5 °F | 33.6 °F | 3.25 in. |
| February | 18.9 °F | 36.5 °F | 2.32 in. |
| March | 26.8 °F | 46.3 °F | 2.96 in. |
| April | 37.5 °F | 59.9 °F | 3.83 in. |
| May | 48.3 °F | 70.5 °F | 4.47 in. |
| June | 57.6 °F | 79.1 °F | 4.87 in. |
| July | 60.7 °F | 82.5 °F | 4.12 in. |
| August | 59.0 °F | 81.2 °F | 3.68 in. |
| September | 51.8 °F | 75.3 °F | 3.16 in. |
| October | 40.7 °F | 62.9 °F | 2.91 in. |
| November | 31.4 °F | 49.5 °F | 2.89 in. |
| December | 23.4 °F | 38.4 °F | 2.93 in. |
| Annual | 39.5 °F | 59.6 °F | 41.39 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 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |