Minerva, Ohio has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.7 °C (low) to 15.7 °C (high). Annual precipitation averages 1049 Millimeters. 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 | -7.2 °C | 1.4 °C | 77.22 mm |
| February | -6.6 °C | 3.1 °C | 58.42 mm |
| March | -2.2 °C | 8.5 °C | 81.03 mm |
| April | 3.6 °C | 15.9 °C | 92.96 mm |
| May | 9.2 °C | 21.6 °C | 102.11 mm |
| June | 14.4 °C | 26.3 °C | 115.82 mm |
| July | 16.5 °C | 28.4 °C | 109.47 mm |
| August | 15.4 °C | 27.6 °C | 92.71 mm |
| September | 11.7 °C | 24.1 °C | 90.93 mm |
| October | 5.5 °C | 17.6 °C | 79.76 mm |
| November | 0.4 °C | 10.2 °C | 72.9 mm |
| December | -4 °C | 4.2 °C | 75.69 mm |
| Annual | 4.7 °C | 15.7 °C | 1049.02 mm |
| 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 : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |