Cheboygan, Michigan has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.7 °C (low) to 11.3 °C (high). Annual precipitation averages 813.1 Millimeters. Cheboygan is located in USDA Plant Hardiness Zone 5b. 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 | -11.1 °C | -3.1 °C | 46.99 mm |
| February | -11.8 °C | -2.1 °C | 33.78 mm |
| March | -7.6 °C | 2.7 °C | 41.91 mm |
| April | -0.9 °C | 9.2 °C | 70.1 mm |
| May | 5.1 °C | 16.4 °C | 73.15 mm |
| June | 10.8 °C | 22.2 °C | 74.93 mm |
| July | 14.3 °C | 25.1 °C | 78.23 mm |
| August | 14 °C | 24.6 °C | 83.31 mm |
| September | 10.2 °C | 20.4 °C | 86.87 mm |
| October | 4.3 °C | 13.3 °C | 103.38 mm |
| November | -0.8 °C | 6.1 °C | 66.04 mm |
| December | -6.1 °C | 0.5 °C | 54.36 mm |
| Annual | 1.7 °C | 11.3 °C | 813.05 mm |
| 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 5b : -26.1°C to -23.3°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 |