New Auburn, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 0.5 °C (low) to 11.8 °C (high). Annual precipitation averages 834.9 Millimeters. New Auburn is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -15.7 °C | -5.5 °C | 25.15 mm |
| February | -14.1 °C | -2.7 °C | 25.15 mm |
| March | -7.3 °C | 4.1 °C | 43.18 mm |
| April | 0 °C | 12.1 °C | 74.93 mm |
| May | 6.9 °C | 19.4 °C | 99.82 mm |
| June | 12.6 °C | 24.4 °C | 115.32 mm |
| July | 14.9 °C | 26.8 °C | 103.12 mm |
| August | 13.5 °C | 25.7 °C | 104.9 mm |
| September | 8.9 °C | 21.4 °C | 90.68 mm |
| October | 2.2 °C | 13.4 °C | 75.69 mm |
| November | -4.4 °C | 4.7 °C | 43.69 mm |
| December | -11.4 °C | -2.6 °C | 33.27 mm |
| Annual | 0.5 °C | 11.8 °C | 834.9 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |