Melmore, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.2 °F (low) to 60 °F (high). Annual precipitation averages 39 Inches. Melmore 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 | 18.5 °F | 33.2 °F | 2.67 in. |
| February | 20.1 °F | 36.1 °F | 2.24 in. |
| March | 28.3 °F | 46.3 °F | 2.57 in. |
| April | 38.8 °F | 60.1 °F | 3.89 in. |
| May | 50.2 °F | 71.3 °F | 4.07 in. |
| June | 59.7 °F | 80.2 °F | 4.17 in. |
| July | 63.0 °F | 83.6 °F | 4.08 in. |
| August | 61.1 °F | 82.0 °F | 3.53 in. |
| September | 53.9 °F | 76.2 °F | 3.34 in. |
| October | 42.8 °F | 63.4 °F | 2.83 in. |
| November | 32.9 °F | 49.7 °F | 2.92 in. |
| December | 24.5 °F | 38.3 °F | 2.64 in. |
| Annual | 41.2 °F | 60 °F | 38.95 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 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 |