Plainville, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44 °F (low) to 65.6 °F (high). Annual precipitation averages 44.8 Inches. Plainville is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.1 °F | 40.3 °F | 3.32 in. |
| February | 25.4 °F | 44.5 °F | 2.92 in. |
| March | 32.5 °F | 54.1 °F | 4.01 in. |
| April | 42.5 °F | 66.7 °F | 4.53 in. |
| May | 52.6 °F | 75.5 °F | 4.9 in. |
| June | 61.8 °F | 83.8 °F | 4.51 in. |
| July | 65.5 °F | 87.0 °F | 4.08 in. |
| August | 64.0 °F | 86.3 °F | 3.61 in. |
| September | 55.5 °F | 80.4 °F | 2.98 in. |
| October | 43.8 °F | 68.7 °F | 3.12 in. |
| November | 33.5 °F | 55.1 °F | 3.27 in. |
| December | 28.1 °F | 44.4 °F | 3.53 in. |
| Annual | 44 °F | 65.6 °F | 44.78 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 | Dfa - Humid Continental Hot Summers With Year Around Precipitation |