Cardington, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41 °F (low) to 60.4 °F (high). Annual precipitation averages 41.2 Inches. Cardington 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 | 18.7 °F | 34.0 °F | 3.17 in. |
| February | 20.3 °F | 37.1 °F | 2.26 in. |
| March | 28.6 °F | 47.3 °F | 2.91 in. |
| April | 39.2 °F | 60.9 °F | 3.93 in. |
| May | 50.2 °F | 71.6 °F | 4.4 in. |
| June | 59.6 °F | 80.0 °F | 4.55 in. |
| July | 62.7 °F | 83.2 °F | 4.19 in. |
| August | 60.7 °F | 81.7 °F | 3.57 in. |
| September | 53.4 °F | 76.0 °F | 3.37 in. |
| October | 42.1 °F | 63.6 °F | 2.82 in. |
| November | 32.5 °F | 50.3 °F | 3.04 in. |
| December | 24.4 °F | 38.8 °F | 2.95 in. |
| Annual | 41 °F | 60.4 °F | 41.16 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 |