Toledo, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.3 °C (low) to 15.3 °C (high). Annual precipitation averages 914.6 Millimeters. 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 | -7.3 °C | 0.4 °C | 63.5 mm |
| February | -6.6 °C | 2.1 °C | 60.45 mm |
| March | -2.2 °C | 7.4 °C | 68.07 mm |
| April | 3.9 °C | 14.6 °C | 95.5 mm |
| May | 10.3 °C | 21.2 °C | 85.6 mm |
| June | 15.9 °C | 26.7 °C | 93.22 mm |
| July | 17.9 °C | 29 °C | 87.88 mm |
| August | 16.6 °C | 27.8 °C | 80.77 mm |
| September | 12.6 °C | 24.3 °C | 71.12 mm |
| October | 6.3 °C | 17.3 °C | 74.68 mm |
| November | 0.7 °C | 9.7 °C | 72.64 mm |
| December | -4.1 °C | 3.2 °C | 61.21 mm |
| Annual | 5.3 °C | 15.3 °C | 914.64 mm |
| 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 : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |