Olmsted Falls, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.9 °C (low) to 15.4 °C (high). Annual precipitation averages 1031.5 Millimeters. Olmsted Falls 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 | -6.3 °C | 1.4 °C | 73.66 mm |
| February | -5.8 °C | 2.7 °C | 59.69 mm |
| March | -1.6 °C | 7.6 °C | 76.71 mm |
| April | 4.4 °C | 15 °C | 96.27 mm |
| May | 10.4 °C | 21.2 °C | 96.77 mm |
| June | 15.7 °C | 26.1 °C | 100.08 mm |
| July | 17.9 °C | 28.3 °C | 95.25 mm |
| August | 16.9 °C | 27.4 °C | 93.98 mm |
| September | 13.2 °C | 23.9 °C | 98.81 mm |
| October | 7.2 °C | 17.2 °C | 88.9 mm |
| November | 1.8 °C | 10.3 °C | 78.23 mm |
| December | -3 °C | 4.1 °C | 73.15 mm |
| Annual | 5.9 °C | 15.4 °C | 1031.5 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 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |