Lowell, Wisconsin has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2.9 °C (low) to 13.4 °C (high). Annual precipitation averages 896.1 Millimeters. Lowell is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -11.8 °C | -2.9 °C | 37.34 mm |
| February | -10.4 °C | -0.9 °C | 37.85 mm |
| March | -4.3 °C | 5.8 °C | 48.26 mm |
| April | 2.1 °C | 13.3 °C | 91.44 mm |
| May | 8.5 °C | 20.2 °C | 99.57 mm |
| June | 14.1 °C | 25.6 °C | 127 mm |
| July | 16.3 °C | 27.6 °C | 105.16 mm |
| August | 15.2 °C | 26.6 °C | 98.81 mm |
| September | 10.7 °C | 22.9 °C | 82.55 mm |
| October | 4.3 °C | 15.5 °C | 74.17 mm |
| November | -1.9 °C | 7.3 °C | 52.32 mm |
| December | -8 °C | 0.1 °C | 41.66 mm |
| Annual | 2.9 °C | 13.4 °C | 896.13 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |