Hanoverton, Ohio has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 40 °F (low) to 60.8 °F (high). Annual precipitation averages 40.9 Inches. Hanoverton is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.7 °F | 34.8 °F | 3.1 in. |
| February | 20.0 °F | 37.9 °F | 2.47 in. |
| March | 27.5 °F | 47.7 °F | 3.18 in. |
| April | 38.1 °F | 61.3 °F | 3.67 in. |
| May | 48.0 °F | 71.5 °F | 3.98 in. |
| June | 57.2 °F | 79.9 °F | 4.29 in. |
| July | 61.1 °F | 83.6 °F | 4.07 in. |
| August | 59.2 °F | 82.5 °F | 3.43 in. |
| September | 52.4 °F | 76.3 °F | 3.59 in. |
| October | 41.3 °F | 64.1 °F | 3.13 in. |
| November | 32.3 °F | 50.7 °F | 2.8 in. |
| December | 24.5 °F | 39.8 °F | 3.15 in. |
| Annual | 40 °F | 60.8 °F | 40.86 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 100-125 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 | Dfb - Humid Continental Mild Summer, Wet All Year |