Dillonvale, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.3 °F (low) to 62.3 °F (high). Annual precipitation averages 41.9 Inches. Dillonvale 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.4 °F | 37.8 °F | 3.28 in. |
| February | 23.1 °F | 40.8 °F | 2.55 in. |
| March | 29.9 °F | 50.3 °F | 3.4 in. |
| April | 39.9 °F | 63.1 °F | 3.63 in. |
| May | 50.1 °F | 72.6 °F | 4.12 in. |
| June | 59.0 °F | 80.3 °F | 4.46 in. |
| July | 63.1 °F | 83.6 °F | 4.05 in. |
| August | 61.7 °F | 82.7 °F | 3.69 in. |
| September | 54.9 °F | 76.9 °F | 3.67 in. |
| October | 43.4 °F | 64.9 °F | 3.02 in. |
| November | 33.8 °F | 52.7 °F | 2.94 in. |
| December | 26.9 °F | 42.1 °F | 3.12 in. |
| Annual | 42.3 °F | 62.3 °F | 41.93 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| 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 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |