Ettrick, Wisconsin has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 1.8 °C (low) to 13.5 °C (high). Annual precipitation averages 909.6 Millimeters. Ettrick 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -14.2 °C | -3.6 °C | 27.18 mm |
| February | -12.3 °C | -0.9 °C | 27.69 mm |
| March | -5.6 °C | 6 °C | 47.75 mm |
| April | 1.2 °C | 13.9 °C | 93.22 mm |
| May | 7.9 °C | 20.8 °C | 116.08 mm |
| June | 13.7 °C | 26 °C | 131.32 mm |
| July | 15.8 °C | 28.1 °C | 106.93 mm |
| August | 14.6 °C | 27 °C | 110.24 mm |
| September | 9.9 °C | 22.9 °C | 101.6 mm |
| October | 3.2 °C | 15.4 °C | 67.31 mm |
| November | -3.3 °C | 6.6 °C | 45.97 mm |
| December | -9.9 °C | -0.6 °C | 34.29 mm |
| Annual | 1.8 °C | 13.5 °C | 909.58 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 |