Bonduel, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 33.9 °F (low) to 54.5 °F (high). Annual precipitation averages 33.2 Inches. Bonduel is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 7.5 °F | 24.7 °F | 1.37 in. |
| February | 9.1 °F | 28.7 °F | 1.15 in. |
| March | 19.8 °F | 40.3 °F | 1.81 in. |
| April | 32.0 °F | 54.4 °F | 3.17 in. |
| May | 44.1 °F | 67.2 °F | 3.67 in. |
| June | 54.1 °F | 76.7 °F | 4.43 in. |
| July | 58.3 °F | 81.0 °F | 3.81 in. |
| August | 56.3 °F | 79.1 °F | 3.63 in. |
| September | 48.0 °F | 71.5 °F | 3.58 in. |
| October | 36.6 °F | 57.7 °F | 3.02 in. |
| November | 25.9 °F | 42.8 °F | 1.89 in. |
| December | 14.6 °F | 29.8 °F | 1.65 in. |
| Annual | 33.9 °F | 54.5 °F | 33.18 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |