Bratenahl, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44 °F (low) to 58.6 °F (high). Annual precipitation averages 40.1 Inches. Bratenahl is located in USDA Plant Hardiness Zone 7a. 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 | 22.1 °F | 34.8 °F | 2.94 in. |
| February | 22.7 °F | 36.4 °F | 2.15 in. |
| March | 29.2 °F | 43.7 °F | 2.81 in. |
| April | 40.4 °F | 57.3 °F | 3.48 in. |
| May | 51.8 °F | 68.0 °F | 3.54 in. |
| June | 61.5 °F | 77.0 °F | 3.58 in. |
| July | 65.8 °F | 80.5 °F | 3.9 in. |
| August | 64.2 °F | 79.6 °F | 3.67 in. |
| September | 57.6 °F | 73.9 °F | 3.92 in. |
| October | 47.2 °F | 62.5 °F | 3.87 in. |
| November | 37.3 °F | 50.2 °F | 3.17 in. |
| December | 28.2 °F | 39.8 °F | 3.07 in. |
| Annual | 44 °F | 58.6 °F | 40.1 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 7a : 0°F to 5°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 |