Lowell, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.4 °C (low) to 17.9 °C (high). Annual precipitation averages 1108.5 Millimeters. Lowell 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 | -6.1 °C | 4 °C | 83.82 mm |
| February | -5.1 °C | 5.9 °C | 74.17 mm |
| March | -1.3 °C | 11.3 °C | 99.31 mm |
| April | 4.3 °C | 19.1 °C | 95 mm |
| May | 10 °C | 23.6 °C | 111.76 mm |
| June | 15.1 °C | 27.9 °C | 118.11 mm |
| July | 17.3 °C | 29.7 °C | 117.86 mm |
| August | 16.4 °C | 29.3 °C | 90.93 mm |
| September | 12.2 °C | 25.9 °C | 86.36 mm |
| October | 5.6 °C | 19.3 °C | 73.15 mm |
| November | 0.1 °C | 12.3 °C | 74.93 mm |
| December | -3.2 °C | 6.4 °C | 83.06 mm |
| Annual | 5.4 °C | 17.9 °C | 1108.46 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 |