North Olmsted, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.2 °C (low) to 15.2 °C (high). Annual precipitation averages 1035 Millimeters. North Olmsted 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 | -6.2 °C | 1.4 °C | 74.17 mm |
| February | -5.7 °C | 2.8 °C | 59.18 mm |
| March | -1.6 °C | 7.5 °C | 77.72 mm |
| April | 4.6 °C | 14.7 °C | 96.52 mm |
| May | 10.5 °C | 20.8 °C | 96.01 mm |
| June | 15.8 °C | 25.8 °C | 100.08 mm |
| July | 18.2 °C | 27.8 °C | 94.74 mm |
| August | 17.6 °C | 27.1 °C | 94.23 mm |
| September | 13.8 °C | 23.6 °C | 98.81 mm |
| October | 7.7 °C | 17 °C | 90.17 mm |
| November | 2 °C | 10.3 °C | 78.99 mm |
| December | -2.8 °C | 4.1 °C | 74.42 mm |
| Annual | 6.2 °C | 15.2 °C | 1035.04 mm |
| 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 : -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 |