Springbrook, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 30.8 °F (low) to 53 °F (high). Annual precipitation averages 33.4 Inches. Springbrook is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.2 °F | 21.5 °F | 0.99 in. |
| February | 4.0 °F | 27.1 °F | 1.02 in. |
| March | 16.5 °F | 39.4 °F | 1.63 in. |
| April | 29.4 °F | 53.7 °F | 2.89 in. |
| May | 41.9 °F | 67.4 °F | 3.95 in. |
| June | 52.0 °F | 76.4 °F | 4.38 in. |
| July | 56.6 °F | 80.4 °F | 4.31 in. |
| August | 54.5 °F | 78.4 °F | 3.94 in. |
| September | 46.6 °F | 70.2 °F | 3.81 in. |
| October | 34.8 °F | 55.8 °F | 3.28 in. |
| November | 22.6 °F | 39.6 °F | 1.82 in. |
| December | 9.5 °F | 26.5 °F | 1.38 in. |
| Annual | 30.8 °F | 53 °F | 33.4 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Plant Hardiness Zone - 2012 | Zone 3b : -35°F to -30°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |