Groveport, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.7 °C (low) to 17.3 °C (high). Annual precipitation averages 1057.7 Millimeters. Groveport 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 | -5.6 °C | 2.8 °C | 78.23 mm |
| February | -4.5 °C | 4.7 °C | 61.98 mm |
| March | -0.1 °C | 10.6 °C | 89.92 mm |
| April | 5.7 °C | 17.8 °C | 103.12 mm |
| May | 11.8 °C | 23.4 °C | 107.44 mm |
| June | 16.7 °C | 28.1 °C | 112.27 mm |
| July | 18.6 °C | 29.4 °C | 112.01 mm |
| August | 17.6 °C | 28.9 °C | 87.63 mm |
| September | 13.6 °C | 25.7 °C | 81.79 mm |
| October | 7.2 °C | 18.9 °C | 70.87 mm |
| November | 1.4 °C | 11.4 °C | 74.93 mm |
| December | -2.6 °C | 5.4 °C | 77.47 mm |
| Annual | 6.7 °C | 17.3 °C | 1057.66 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 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 |