Mancelona, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.4 °C (low) to 11.6 °C (high). Annual precipitation averages 891.8 Millimeters. Mancelona is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.9 °C | -3.6 °C | 59.69 mm |
| February | -11.6 °C | -2.3 °C | 43.69 mm |
| March | -7.6 °C | 3.2 °C | 48.77 mm |
| April | -0.8 °C | 10.7 °C | 78.49 mm |
| May | 5.9 °C | 18.3 °C | 81.53 mm |
| June | 11.2 °C | 23.5 °C | 84.84 mm |
| July | 13.6 °C | 25.8 °C | 76.45 mm |
| August | 12.9 °C | 24.9 °C | 83.06 mm |
| September | 8.9 °C | 21 °C | 90.93 mm |
| October | 3.2 °C | 13.1 °C | 103.89 mm |
| November | -1.7 °C | 5.7 °C | 76.45 mm |
| December | -6.9 °C | -0.6 °C | 64.01 mm |
| Annual | 1.4 °C | 11.6 °C | 891.8 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| 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 | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |