Crystal Rock, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.3 °C (low) to 14.7 °C (high). Annual precipitation averages 967.5 Millimeters. Crystal Rock 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 Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.6 °C | 0.6 °C | 64.77 mm |
| February | -5.8 °C | 1.9 °C | 54.1 mm |
| March | -1.7 °C | 6.7 °C | 68.33 mm |
| April | 4.4 °C | 13.8 °C | 98.3 mm |
| May | 11.1 °C | 20.1 °C | 93.73 mm |
| June | 16.8 °C | 25.6 °C | 101.35 mm |
| July | 18.8 °C | 27.8 °C | 94.74 mm |
| August | 17.9 °C | 26.7 °C | 88.14 mm |
| September | 13.9 °C | 23.5 °C | 84.84 mm |
| October | 7.7 °C | 17.2 °C | 79.25 mm |
| November | 1.9 °C | 9.5 °C | 72.14 mm |
| December | -3.1 °C | 3.3 °C | 67.82 mm |
| Annual | 6.3 °C | 14.7 °C | 967.51 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| 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 |