Wonewoc, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.8 °F (low) to 55.7 °F (high). Annual precipitation averages 37.1 Inches. Wonewoc 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 | 7.7 °F | 25.7 °F | 1.36 in. |
| February | 10.6 °F | 30.3 °F | 1.22 in. |
| March | 21.7 °F | 42.5 °F | 1.96 in. |
| April | 33.5 °F | 56.1 °F | 3.94 in. |
| May | 45.4 °F | 68.2 °F | 4.57 in. |
| June | 55.7 °F | 77.6 °F | 5.44 in. |
| July | 59.6 °F | 81.7 °F | 4.18 in. |
| August | 57.2 °F | 79.5 °F | 4.4 in. |
| September | 48.8 °F | 72.3 °F | 3.67 in. |
| October | 37.0 °F | 59.2 °F | 2.78 in. |
| November | 25.9 °F | 44.0 °F | 1.99 in. |
| December | 14.9 °F | 31.2 °F | 1.57 in. |
| Annual | 34.8 °F | 55.7 °F | 37.08 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 4b : -25°F to -20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |