New Auburn, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 32.9 °F (low) to 53.2 °F (high). Annual precipitation averages 32.9 Inches. 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 | 3.8 °F | 22.1 °F | 0.99 in. |
| February | 6.7 °F | 27.1 °F | 0.99 in. |
| March | 18.9 °F | 39.3 °F | 1.7 in. |
| April | 32.0 °F | 53.8 °F | 2.95 in. |
| May | 44.4 °F | 66.9 °F | 3.93 in. |
| June | 54.6 °F | 76.0 °F | 4.54 in. |
| July | 58.8 °F | 80.2 °F | 4.06 in. |
| August | 56.3 °F | 78.3 °F | 4.13 in. |
| September | 48.0 °F | 70.5 °F | 3.57 in. |
| October | 35.9 °F | 56.2 °F | 2.98 in. |
| November | 24.0 °F | 40.5 °F | 1.72 in. |
| December | 11.5 °F | 27.3 °F | 1.31 in. |
| Annual | 32.9 °F | 53.2 °F | 32.87 in. |
| 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 : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |