Edison, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.6 °F (low) to 60 °F (high). Annual precipitation averages 41.3 Inches. Edison 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 | 18.2 °F | 33.7 °F | 3.26 in. |
| February | 19.8 °F | 36.6 °F | 2.25 in. |
| March | 28.0 °F | 46.9 °F | 2.85 in. |
| April | 38.6 °F | 60.4 °F | 3.93 in. |
| May | 49.7 °F | 71.2 °F | 4.48 in. |
| June | 59.1 °F | 79.8 °F | 4.51 in. |
| July | 62.1 °F | 82.9 °F | 4.17 in. |
| August | 60.2 °F | 81.5 °F | 3.6 in. |
| September | 53.0 °F | 75.7 °F | 3.42 in. |
| October | 41.8 °F | 63.2 °F | 2.81 in. |
| November | 32.2 °F | 49.9 °F | 3.09 in. |
| December | 24.1 °F | 38.6 °F | 2.97 in. |
| Annual | 40.6 °F | 60 °F | 41.34 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 |