Chauncey, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5 °C (low) to 17.8 °C (high). Annual precipitation averages 1066.5 Millimeters. Chauncey 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.4 °C | 3.8 °C | 82.3 mm |
| February | -5.6 °C | 5.8 °C | 70.1 mm |
| March | -1.7 °C | 11.3 °C | 93.47 mm |
| April | 4 °C | 18.9 °C | 96.52 mm |
| May | 9.8 °C | 23.6 °C | 106.93 mm |
| June | 14.8 °C | 27.7 °C | 107.19 mm |
| July | 16.8 °C | 29.4 °C | 110.24 mm |
| August | 16 °C | 29.1 °C | 83.82 mm |
| September | 11.7 °C | 25.4 °C | 84.58 mm |
| October | 4.8 °C | 19.2 °C | 75.18 mm |
| November | -0.2 °C | 12.4 °C | 75.95 mm |
| December | -3.6 °C | 6.4 °C | 80.26 mm |
| Annual | 5 °C | 17.8 °C | 1066.54 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |