Seville, Ohio has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 41.2 °F (low) to 59.6 °F (high). Annual precipitation averages 39.8 Inches. Seville 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 | 19.2 °F | 33.8 °F | 2.81 in. |
| February | 20.4 °F | 36.5 °F | 2.06 in. |
| March | 28.3 °F | 46.1 °F | 2.94 in. |
| April | 39.1 °F | 59.7 °F | 3.63 in. |
| May | 49.7 °F | 70.3 °F | 4.09 in. |
| June | 59.2 °F | 79.0 °F | 4.24 in. |
| July | 62.6 °F | 82.6 °F | 4.0 in. |
| August | 60.9 °F | 81.2 °F | 3.62 in. |
| September | 53.7 °F | 75.0 °F | 3.5 in. |
| October | 43.0 °F | 62.7 °F | 3.19 in. |
| November | 33.5 °F | 49.9 °F | 2.87 in. |
| December | 25.2 °F | 38.5 °F | 2.81 in. |
| Annual | 41.2 °F | 59.6 °F | 39.76 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 |