Wautoma, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.3 °C (low) to 13.1 °C (high). Annual precipitation averages 886.5 Millimeters. Wautoma 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 | -13.6 °C | -3.5 °C | 33.27 mm |
| February | -12.2 °C | -1.1 °C | 30.23 mm |
| March | -6.2 °C | 5.5 °C | 50.29 mm |
| April | 0.4 °C | 13 °C | 92.46 mm |
| May | 7.3 °C | 20.1 °C | 103.63 mm |
| June | 12.9 °C | 25.4 °C | 128.02 mm |
| July | 15.1 °C | 27.8 °C | 99.31 mm |
| August | 13.8 °C | 26.6 °C | 95 mm |
| September | 9.1 °C | 22.4 °C | 88.65 mm |
| October | 2.6 °C | 14.9 °C | 70.87 mm |
| November | -3.7 °C | 6.6 °C | 51.82 mm |
| December | -9.6 °C | -0.6 °C | 42.93 mm |
| Annual | 1.3 °C | 13.1 °C | 886.48 mm |
| 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 : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |