Prescott, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 0.8 °C (low) to 13.2 °C (high). Annual precipitation averages 822.5 Millimeters. Prescott is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -11.7 °C | -2.1 °C | 47.5 mm |
| February | -11.9 °C | -0.4 °C | 40.13 mm |
| March | -7.4 °C | 5.2 °C | 45.72 mm |
| April | -1.1 °C | 12.3 °C | 81.03 mm |
| May | 5.4 °C | 19.5 °C | 87.63 mm |
| June | 10.8 °C | 24.9 °C | 90.17 mm |
| July | 13.1 °C | 27.1 °C | 80.52 mm |
| August | 12.3 °C | 26.2 °C | 85.6 mm |
| September | 7.9 °C | 22.3 °C | 69.34 mm |
| October | 2.1 °C | 14.8 °C | 84.33 mm |
| November | -2.7 °C | 7.1 °C | 60.96 mm |
| December | -7.4 °C | 0.9 °C | 49.53 mm |
| Annual | 0.8 °C | 13.2 °C | 822.46 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| 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 | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |