Elmwood Park, Wisconsin has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.6 °F (low) to 55.4 °F (high). Annual precipitation averages 36.5 Inches. 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 | 15.9 °F | 29.8 °F | 1.9 in. |
| February | 18.6 °F | 32.6 °F | 1.87 in. |
| March | 27.5 °F | 41.9 °F | 2.42 in. |
| April | 37.4 °F | 52.2 °F | 4.12 in. |
| May | 47.4 °F | 63.3 °F | 4.13 in. |
| June | 57.8 °F | 73.4 °F | 4.17 in. |
| July | 64.4 °F | 79.6 °F | 3.2 in. |
| August | 63.8 °F | 78.4 °F | 3.65 in. |
| September | 56.0 °F | 72.0 °F | 3.34 in. |
| October | 44.1 °F | 59.6 °F | 3.16 in. |
| November | 32.5 °F | 46.9 °F | 2.48 in. |
| December | 22.0 °F | 35.2 °F | 2.09 in. |
| Annual | 40.6 °F | 55.4 °F | 36.53 in. |
| 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 : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |