Twinsburg, Ohio has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 40.9 °F (low) to 59.3 °F (high). Annual precipitation averages 42.1 Inches. Twinsburg is located in USDA Plant Hardiness Zone 6b. 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 | 19.2 °F | 33.9 °F | 2.98 in. |
| February | 20.0 °F | 36.6 °F | 2.35 in. |
| March | 27.4 °F | 45.5 °F | 3.26 in. |
| April | 38.5 °F | 58.7 °F | 3.85 in. |
| May | 49.2 °F | 70.4 °F | 4.13 in. |
| June | 58.2 °F | 78.6 °F | 4.22 in. |
| July | 62.2 °F | 82.6 °F | 4.18 in. |
| August | 60.5 °F | 81.1 °F | 3.71 in. |
| September | 53.5 °F | 74.4 °F | 3.81 in. |
| October | 43.1 °F | 62.1 °F | 3.44 in. |
| November | 33.9 °F | 49.4 °F | 3.1 in. |
| December | 25.6 °F | 38.6 °F | 3.09 in. |
| Annual | 40.9 °F | 59.3 °F | 42.12 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 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 |