Unity, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 32.7 °F (low) to 52.6 °F (high). Annual precipitation averages 33.1 Inches. Unity is located in USDA Plant Hardiness Zone 4b. 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 | 4.4 °F | 22.0 °F | 1.05 in. |
| February | 6.5 °F | 26.6 °F | 1.01 in. |
| March | 18.5 °F | 38.8 °F | 1.66 in. |
| April | 31.7 °F | 53.0 °F | 2.94 in. |
| May | 44.3 °F | 65.7 °F | 3.77 in. |
| June | 54.2 °F | 74.8 °F | 4.85 in. |
| July | 58.0 °F | 79.3 °F | 3.75 in. |
| August | 55.7 °F | 77.1 °F | 4.11 in. |
| September | 47.6 °F | 69.6 °F | 3.8 in. |
| October | 35.5 °F | 55.9 °F | 2.92 in. |
| November | 24.3 °F | 40.4 °F | 1.85 in. |
| December | 12.1 °F | 27.4 °F | 1.43 in. |
| Annual | 32.7 °F | 52.6 °F | 33.14 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 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |