Bowerston, Ohio has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 41.1 °F (low) to 61.5 °F (high). Annual precipitation averages 42.6 Inches. Bowerston 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 | 19.9 °F | 36.0 °F | 3.15 in. |
| February | 21.2 °F | 39.2 °F | 2.27 in. |
| March | 28.9 °F | 49.0 °F | 3.34 in. |
| April | 39.0 °F | 62.4 °F | 3.73 in. |
| May | 49.4 °F | 72.2 °F | 4.29 in. |
| June | 58.3 °F | 80.2 °F | 5.23 in. |
| July | 62.2 °F | 83.7 °F | 4.18 in. |
| August | 60.4 °F | 82.5 °F | 3.84 in. |
| September | 53.4 °F | 76.5 °F | 3.47 in. |
| October | 42.1 °F | 64.3 °F | 3.1 in. |
| November | 32.8 °F | 51.6 °F | 2.9 in. |
| December | 25.5 °F | 40.7 °F | 3.06 in. |
| Annual | 41.1 °F | 61.5 °F | 42.56 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 | Dfb - Humid Continental Mild Summer, Wet All Year |