Cumberland, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 0.3 °C (low) to 11.2 °C (high). Annual precipitation averages 843.5 Millimeters. Cumberland is located in USDA Plant Hardiness Zone 4b. 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 | -16 °C | -6.1 °C | 24.38 mm |
| February | -14.4 °C | -3.2 °C | 23.88 mm |
| March | -7.6 °C | 3.6 °C | 41.91 mm |
| April | -0.3 °C | 11.4 °C | 71.88 mm |
| May | 6.6 °C | 18.8 °C | 97.03 mm |
| June | 12.2 °C | 23.9 °C | 114.3 mm |
| July | 14.5 °C | 26.2 °C | 110.24 mm |
| August | 13.2 °C | 25.2 °C | 109.98 mm |
| September | 8.8 °C | 20.7 °C | 90.42 mm |
| October | 2.3 °C | 12.9 °C | 80.52 mm |
| November | -4.6 °C | 4.1 °C | 45.97 mm |
| December | -11.7 °C | -3.2 °C | 33.02 mm |
| Annual | 0.3 °C | 11.2 °C | 843.53 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 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |