Boston Heights, Ohio has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 5.1 °C (low) to 15.2 °C (high). Annual precipitation averages 1041.4 Millimeters. Boston Heights 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 | -7 °C | 1.1 °C | 72.39 mm |
| February | -6.6 °C | 2.4 °C | 56.9 mm |
| March | -2.4 °C | 7.4 °C | 80.01 mm |
| April | 3.9 °C | 14.9 °C | 94.49 mm |
| May | 9.7 °C | 21.3 °C | 104.14 mm |
| June | 14.8 °C | 25.8 °C | 106.17 mm |
| July | 16.9 °C | 28.1 °C | 104.65 mm |
| August | 16 °C | 27.3 °C | 92.71 mm |
| September | 12.3 °C | 23.6 °C | 94.49 mm |
| October | 6.4 °C | 16.6 °C | 84.58 mm |
| November | 1.2 °C | 9.7 °C | 75.95 mm |
| December | -3.5 °C | 3.6 °C | 74.93 mm |
| Annual | 5.1 °C | 15.2 °C | 1041.41 mm |
| 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 : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |