Highpoint, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7.2 °C (low) to 17.9 °C (high). Annual precipitation averages 1114.6 Millimeters. Highpoint is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.8 °C | 3.9 °C | 82.8 mm |
| February | -3.9 °C | 6.2 °C | 69.85 mm |
| March | 0.8 °C | 11.7 °C | 98.04 mm |
| April | 6.5 °C | 18.3 °C | 116.59 mm |
| May | 12.2 °C | 23.4 °C | 122.94 mm |
| June | 17.1 °C | 27.9 °C | 114.3 mm |
| July | 19 °C | 29.7 °C | 101.6 mm |
| August | 17.9 °C | 29.4 °C | 87.38 mm |
| September | 14.1 °C | 26.1 °C | 73.66 mm |
| October | 7.6 °C | 19.5 °C | 79.25 mm |
| November | 1.9 °C | 12 °C | 81.03 mm |
| December | -2.1 °C | 6.2 °C | 87.12 mm |
| Annual | 7.2 °C | 17.9 °C | 1114.56 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |