Utica, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5 °C (low) to 16.3 °C (high). Annual precipitation averages 1043.7 Millimeters. Utica 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 | -7.1 °C | 1.9 °C | 79.76 mm |
| February | -6.2 °C | 3.7 °C | 61.21 mm |
| March | -1.7 °C | 9.3 °C | 86.36 mm |
| April | 4.2 °C | 16.7 °C | 98.04 mm |
| May | 10 °C | 22.3 °C | 101.6 mm |
| June | 15.1 °C | 26.9 °C | 114.05 mm |
| July | 16.9 °C | 28.7 °C | 106.43 mm |
| August | 15.9 °C | 27.9 °C | 90.68 mm |
| September | 11.8 °C | 24.7 °C | 81.79 mm |
| October | 5.3 °C | 17.9 °C | 72.39 mm |
| November | 0.2 °C | 10.6 °C | 72.9 mm |
| December | -4 °C | 4.4 °C | 78.49 mm |
| Annual | 5 °C | 16.3 °C | 1043.7 mm |
| 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 : -23.3°C to -20.6°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 |