Piketon, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.4 °F (low) to 64.8 °F (high). Annual precipitation averages 43.2 Inches. Piketon 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 | 21.6 °F | 39.6 °F | 3.26 in. |
| February | 23.4 °F | 43.5 °F | 3.21 in. |
| March | 30.7 °F | 53.2 °F | 4.04 in. |
| April | 40.8 °F | 66.0 °F | 3.97 in. |
| May | 51.5 °F | 75.0 °F | 4.43 in. |
| June | 60.4 °F | 83.1 °F | 4.25 in. |
| July | 63.7 °F | 86.0 °F | 4.29 in. |
| August | 61.7 °F | 85.1 °F | 3.26 in. |
| September | 54.0 °F | 79.5 °F | 3.15 in. |
| October | 42.1 °F | 67.7 °F | 2.93 in. |
| November | 32.2 °F | 54.6 °F | 2.86 in. |
| December | 26.7 °F | 44.0 °F | 3.5 in. |
| Annual | 42.4 °F | 64.8 °F | 43.15 in. |
| 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 : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |