Brookfield Center, Ohio has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 39.5 °F (low) to 60.5 °F (high). Annual precipitation averages 41.2 Inches. Brookfield Center is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.4 °F | 34.9 °F | 2.85 in. |
| February | 19.1 °F | 37.8 °F | 2.26 in. |
| March | 26.7 °F | 47.1 °F | 2.89 in. |
| April | 37.1 °F | 60.8 °F | 3.75 in. |
| May | 47.3 °F | 71.4 °F | 3.84 in. |
| June | 56.3 °F | 79.7 °F | 4.36 in. |
| July | 60.3 °F | 83.4 °F | 4.44 in. |
| August | 58.6 °F | 82.0 °F | 3.57 in. |
| September | 51.9 °F | 75.6 °F | 3.97 in. |
| October | 41.1 °F | 63.2 °F | 3.18 in. |
| November | 32.4 °F | 50.4 °F | 2.95 in. |
| December | 24.7 °F | 39.6 °F | 3.13 in. |
| Annual | 39.5 °F | 60.5 °F | 41.19 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| 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 | Dfb - Humid Continental Mild Summer, Wet All Year |