Mancelona, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.4 °F (low) to 52.9 °F (high). Annual precipitation averages 35.1 Inches. 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 | 12.3 °F | 25.5 °F | 2.35 in. |
| February | 11.2 °F | 27.8 °F | 1.72 in. |
| March | 18.3 °F | 37.7 °F | 1.92 in. |
| April | 30.6 °F | 51.2 °F | 3.09 in. |
| May | 42.6 °F | 65.0 °F | 3.21 in. |
| June | 52.1 °F | 74.3 °F | 3.34 in. |
| July | 56.4 °F | 78.4 °F | 3.01 in. |
| August | 55.2 °F | 76.9 °F | 3.27 in. |
| September | 48.1 °F | 69.8 °F | 3.58 in. |
| October | 37.7 °F | 55.5 °F | 4.09 in. |
| November | 28.9 °F | 42.2 °F | 3.01 in. |
| December | 19.5 °F | 31.0 °F | 2.52 in. |
| Annual | 34.4 °F | 52.9 °F | 35.11 in. |
| 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 : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |