Streetsboro, Ohio has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 40.2 °F (low) to 58.7 °F (high). Annual precipitation averages 42.6 Inches. Streetsboro 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 | 18.5 °F | 33.3 °F | 2.98 in. |
| February | 19.5 °F | 36.0 °F | 2.42 in. |
| March | 27.0 °F | 45.2 °F | 3.34 in. |
| April | 38.0 °F | 58.5 °F | 3.93 in. |
| May | 48.4 °F | 69.6 °F | 4.19 in. |
| June | 57.7 °F | 77.8 °F | 4.34 in. |
| July | 61.5 °F | 81.7 °F | 4.2 in. |
| August | 59.7 °F | 80.2 °F | 3.8 in. |
| September | 52.7 °F | 73.5 °F | 3.78 in. |
| October | 42.1 °F | 61.4 °F | 3.38 in. |
| November | 32.8 °F | 48.8 °F | 3.11 in. |
| December | 24.7 °F | 38.0 °F | 3.16 in. |
| Annual | 40.2 °F | 58.7 °F | 42.63 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 | Dfb - Humid Continental Mild Summer, Wet All Year |