Waupaca, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.1 °F (low) to 55.3 °F (high). Annual precipitation averages 33.6 Inches. Waupaca is located in USDA Plant Hardiness Zone 5a. 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 | 8.7 °F | 25.4 °F | 1.37 in. |
| February | 10.9 °F | 29.5 °F | 1.15 in. |
| March | 21.4 °F | 41.1 °F | 1.91 in. |
| April | 33.3 °F | 55.3 °F | 3.43 in. |
| May | 45.6 °F | 67.9 °F | 4.04 in. |
| June | 55.6 °F | 77.5 °F | 4.6 in. |
| July | 59.6 °F | 82.2 °F | 3.63 in. |
| August | 57.6 °F | 79.8 °F | 3.81 in. |
| September | 49.1 °F | 72.1 °F | 3.36 in. |
| October | 37.3 °F | 58.5 °F | 2.64 in. |
| November | 26.5 °F | 43.5 °F | 1.93 in. |
| December | 15.5 °F | 30.6 °F | 1.72 in. |
| Annual | 35.1 °F | 55.3 °F | 33.59 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 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |