Berkey, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.9 °F (low) to 59.3 °F (high). Annual precipitation averages 35.6 Inches. Berkey is located in USDA Plant Hardiness Zone 6a. 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 | 17.4 °F | 32.3 °F | 2.36 in. |
| February | 18.6 °F | 35.3 °F | 2.04 in. |
| March | 26.7 °F | 45.3 °F | 2.45 in. |
| April | 37.6 °F | 58.6 °F | 3.37 in. |
| May | 49.2 °F | 70.2 °F | 4.0 in. |
| June | 58.8 °F | 79.9 °F | 3.52 in. |
| July | 62.1 °F | 83.8 °F | 3.32 in. |
| August | 59.9 °F | 81.7 °F | 3.49 in. |
| September | 52.4 °F | 75.7 °F | 3.01 in. |
| October | 41.4 °F | 62.9 °F | 2.84 in. |
| November | 31.6 °F | 48.9 °F | 2.84 in. |
| December | 23.4 °F | 37.2 °F | 2.31 in. |
| Annual | 39.9 °F | 59.3 °F | 35.55 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°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 |