Wapakoneta, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.8 °F (low) to 60.5 °F (high). Annual precipitation averages 40.2 Inches. Wapakoneta 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 | 19.2 °F | 33.7 °F | 2.8 in. |
| February | 21.1 °F | 37.0 °F | 2.3 in. |
| March | 29.3 °F | 47.5 °F | 2.97 in. |
| April | 39.7 °F | 60.9 °F | 3.96 in. |
| May | 51.0 °F | 71.7 °F | 4.25 in. |
| June | 60.6 °F | 80.3 °F | 4.45 in. |
| July | 63.4 °F | 83.5 °F | 4.4 in. |
| August | 61.5 °F | 82.1 °F | 3.36 in. |
| September | 54.2 °F | 76.7 °F | 3.1 in. |
| October | 43.4 °F | 64.1 °F | 2.84 in. |
| November | 33.2 °F | 50.1 °F | 3.02 in. |
| December | 24.8 °F | 38.5 °F | 2.75 in. |
| Annual | 41.8 °F | 60.5 °F | 40.2 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 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 |