Prescott, Wisconsin has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.3 °C (low) to 12.6 °C (high). Annual precipitation averages 849.4 Millimeters. Prescott is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -14.2 °C | -4.8 °C | 23.37 mm |
| February | -12.4 °C | -2.1 °C | 22.61 mm |
| March | -5.5 °C | 4.8 °C | 42.16 mm |
| April | 1.9 °C | 13 °C | 76.45 mm |
| May | 8.8 °C | 19.9 °C | 106.68 mm |
| June | 14.6 °C | 25.4 °C | 130.56 mm |
| July | 17 °C | 27.8 °C | 113.28 mm |
| August | 15.7 °C | 26.6 °C | 112.27 mm |
| September | 11.1 °C | 22.4 °C | 83.82 mm |
| October | 3.8 °C | 14.6 °C | 67.31 mm |
| November | -3.2 °C | 5.7 °C | 39.88 mm |
| December | -10.1 °C | -1.8 °C | 30.99 mm |
| Annual | 2.3 °C | 12.6 °C | 849.38 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |