Minerva, Ohio has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 40.5 °F (low) to 60.3 °F (high). Annual precipitation averages 41.3 Inches. Minerva 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 | 19.0 °F | 34.6 °F | 3.04 in. |
| February | 20.1 °F | 37.6 °F | 2.3 in. |
| March | 28.1 °F | 47.3 °F | 3.19 in. |
| April | 38.5 °F | 60.7 °F | 3.66 in. |
| May | 48.6 °F | 70.9 °F | 4.02 in. |
| June | 57.9 °F | 79.4 °F | 4.56 in. |
| July | 61.7 °F | 83.1 °F | 4.31 in. |
| August | 59.8 °F | 81.6 °F | 3.65 in. |
| September | 53.0 °F | 75.4 °F | 3.58 in. |
| October | 41.9 °F | 63.6 °F | 3.14 in. |
| November | 32.7 °F | 50.3 °F | 2.87 in. |
| December | 24.8 °F | 39.5 °F | 2.98 in. |
| Annual | 40.5 °F | 60.3 °F | 41.3 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 | Dfb - Humid Continental Mild Summer, Wet All Year |