Mineral City, Ohio has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 40.7 °F (low) to 61.3 °F (high). Annual precipitation averages 42.8 Inches. Mineral City is located in USDA Plant Hardiness Zone 6b. 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 | 19.5 °F | 35.5 °F | 3.07 in. |
| February | 20.7 °F | 38.6 °F | 2.38 in. |
| March | 28.3 °F | 48.4 °F | 3.31 in. |
| April | 38.6 °F | 62.0 °F | 3.76 in. |
| May | 49.2 °F | 72.1 °F | 4.17 in. |
| June | 58.1 °F | 80.3 °F | 5.15 in. |
| July | 62.0 °F | 83.7 °F | 4.47 in. |
| August | 60.1 °F | 82.6 °F | 3.86 in. |
| September | 52.9 °F | 76.4 °F | 3.35 in. |
| October | 41.7 °F | 64.3 °F | 3.29 in. |
| November | 32.4 °F | 51.3 °F | 2.93 in. |
| December | 25.2 °F | 40.3 °F | 3.02 in. |
| Annual | 40.7 °F | 61.3 °F | 42.76 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°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 |