Findlay, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.6 °F (low) to 60.2 °F (high). Annual precipitation averages 37.1 Inches. Findlay 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.8 °F | 33.3 °F | 2.57 in. |
| February | 20.6 °F | 36.3 °F | 2.14 in. |
| March | 28.8 °F | 46.6 °F | 2.59 in. |
| April | 39.2 °F | 60.1 °F | 3.68 in. |
| May | 50.8 °F | 71.4 °F | 3.9 in. |
| June | 60.5 °F | 80.5 °F | 4.12 in. |
| July | 63.6 °F | 83.8 °F | 3.91 in. |
| August | 61.6 °F | 82.0 °F | 3.52 in. |
| September | 54.4 °F | 76.6 °F | 2.84 in. |
| October | 43.4 °F | 63.9 °F | 2.7 in. |
| November | 33.2 °F | 49.8 °F | 2.56 in. |
| December | 24.7 °F | 38.2 °F | 2.55 in. |
| Annual | 41.6 °F | 60.2 °F | 37.08 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| 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 |