Bradner, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.2 °F (low) to 60.1 °F (high). Annual precipitation averages 36.1 Inches. Bradner 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 | 18.4 °F | 33.1 °F | 2.38 in. |
| February | 20.2 °F | 36.1 °F | 2.05 in. |
| March | 28.1 °F | 46.2 °F | 2.44 in. |
| April | 38.6 °F | 59.5 °F | 3.58 in. |
| May | 50.3 °F | 71.1 °F | 3.9 in. |
| June | 60.1 °F | 80.6 °F | 3.65 in. |
| July | 63.4 °F | 84.2 °F | 3.7 in. |
| August | 61.2 °F | 82.1 °F | 3.51 in. |
| September | 53.9 °F | 76.4 °F | 2.97 in. |
| October | 42.8 °F | 63.7 °F | 2.82 in. |
| November | 32.8 °F | 49.6 °F | 2.65 in. |
| December | 24.4 °F | 38.1 °F | 2.42 in. |
| Annual | 41.2 °F | 60.1 °F | 36.07 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 | Dfa - Humid Continental Hot Summers With Year Around Precipitation |