Walton Hills, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.4 °F (low) to 59.3 °F (high). Annual precipitation averages 42.9 Inches. Walton Hills 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 | 19.5 °F | 34.0 °F | 3.06 in. |
| February | 20.2 °F | 36.2 °F | 2.36 in. |
| March | 27.4 °F | 45.0 °F | 3.37 in. |
| April | 39.0 °F | 58.2 °F | 3.95 in. |
| May | 49.8 °F | 70.6 °F | 4.16 in. |
| June | 59.0 °F | 78.7 °F | 4.16 in. |
| July | 62.9 °F | 83.0 °F | 4.08 in. |
| August | 61.0 °F | 81.2 °F | 3.84 in. |
| September | 54.2 °F | 74.7 °F | 3.98 in. |
| October | 43.8 °F | 62.2 °F | 3.62 in. |
| November | 34.5 °F | 49.6 °F | 3.2 in. |
| December | 25.8 °F | 38.6 °F | 3.13 in. |
| Annual | 41.4 °F | 59.3 °F | 42.91 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 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |