Ettrick, Wisconsin has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 35.1 °F (low) to 56.3 °F (high). Annual precipitation averages 35.8 Inches. 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 | 6.4 °F | 25.6 °F | 1.07 in. |
| February | 9.8 °F | 30.4 °F | 1.09 in. |
| March | 21.9 °F | 42.8 °F | 1.88 in. |
| April | 34.1 °F | 57.0 °F | 3.67 in. |
| May | 46.3 °F | 69.5 °F | 4.57 in. |
| June | 56.6 °F | 78.8 °F | 5.17 in. |
| July | 60.5 °F | 82.6 °F | 4.21 in. |
| August | 58.2 °F | 80.6 °F | 4.34 in. |
| September | 49.9 °F | 73.2 °F | 4.0 in. |
| October | 37.7 °F | 59.7 °F | 2.65 in. |
| November | 26.1 °F | 43.9 °F | 1.81 in. |
| December | 14.1 °F | 30.9 °F | 1.35 in. |
| Annual | 35.1 °F | 56.3 °F | 35.81 in. |
| 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 : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |