Shawnee, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.8 °F (low) to 62.3 °F (high). Annual precipitation averages 42.7 Inches. Shawnee is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.7 °F | 37.4 °F | 3.15 in. |
| February | 21.3 °F | 40.6 °F | 2.69 in. |
| March | 28.9 °F | 50.6 °F | 3.72 in. |
| April | 39.0 °F | 63.9 °F | 3.94 in. |
| May | 49.3 °F | 72.6 °F | 4.3 in. |
| June | 58.2 °F | 80.3 °F | 4.66 in. |
| July | 62.0 °F | 83.6 °F | 4.23 in. |
| August | 60.2 °F | 82.8 °F | 3.53 in. |
| September | 52.7 °F | 76.5 °F | 3.32 in. |
| October | 41.2 °F | 65.0 °F | 2.99 in. |
| November | 31.6 °F | 52.8 °F | 3.0 in. |
| December | 25.0 °F | 41.9 °F | 3.17 in. |
| Annual | 40.8 °F | 62.3 °F | 42.7 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°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 |