Elmwood Park, Wisconsin has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.8 °C (low) to 13 °C (high). Annual precipitation averages 927.9 Millimeters. Elmwood Park is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.9 °C | -1.2 °C | 48.26 mm |
| February | -7.4 °C | 0.3 °C | 47.5 mm |
| March | -2.5 °C | 5.5 °C | 61.47 mm |
| April | 3 °C | 11.2 °C | 104.65 mm |
| May | 8.6 °C | 17.4 °C | 104.9 mm |
| June | 14.3 °C | 23 °C | 105.92 mm |
| July | 18 °C | 26.4 °C | 81.28 mm |
| August | 17.7 °C | 25.8 °C | 92.71 mm |
| September | 13.3 °C | 22.2 °C | 84.84 mm |
| October | 6.7 °C | 15.3 °C | 80.26 mm |
| November | 0.3 °C | 8.3 °C | 62.99 mm |
| December | -5.6 °C | 1.8 °C | 53.09 mm |
| Annual | 4.8 °C | 13 °C | 927.87 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |