Elk Mound, Wisconsin has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 1.3 °C (low) to 12.4 °C (high). Annual precipitation averages 859.6 Millimeters. Elk Mound is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -14.9 °C | -5.1 °C | 26.42 mm |
| February | -13.1 °C | -2.3 °C | 27.43 mm |
| March | -6.3 °C | 4.6 °C | 48.01 mm |
| April | 0.8 °C | 12.8 °C | 78.49 mm |
| May | 7.6 °C | 19.9 °C | 105.16 mm |
| June | 13.3 °C | 25.1 °C | 123.95 mm |
| July | 15.6 °C | 27.4 °C | 99.82 mm |
| August | 14.3 °C | 26.3 °C | 107.19 mm |
| September | 9.7 °C | 22.1 °C | 92.46 mm |
| October | 2.9 °C | 14.2 °C | 69.85 mm |
| November | -3.9 °C | 5.3 °C | 45.21 mm |
| December | -10.7 °C | -2.1 °C | 35.56 mm |
| Annual | 1.3 °C | 12.4 °C | 859.55 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |