Toledo, 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 59.6 °F (high). Annual precipitation averages 36 Inches. Toledo 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 | 18.8 °F | 32.8 °F | 2.5 in. |
| February | 20.2 °F | 35.8 °F | 2.38 in. |
| March | 28.0 °F | 45.4 °F | 2.68 in. |
| April | 39.0 °F | 58.3 °F | 3.76 in. |
| May | 50.6 °F | 70.1 °F | 3.37 in. |
| June | 60.6 °F | 80.1 °F | 3.67 in. |
| July | 64.3 °F | 84.2 °F | 3.46 in. |
| August | 61.9 °F | 82.1 °F | 3.18 in. |
| September | 54.7 °F | 75.8 °F | 2.8 in. |
| October | 43.3 °F | 63.1 °F | 2.94 in. |
| November | 33.2 °F | 49.4 °F | 2.86 in. |
| December | 24.7 °F | 37.8 °F | 2.41 in. |
| Annual | 41.6 °F | 59.6 °F | 36.01 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |