| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | May 21 - May 31 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 50ab - Cheboygan Lake Plain |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 49721 - Cheboygan, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 8 | 7 | 17 | 30 | 41 | 51 | 57 | 56 | 48 | 37 | 28 | 17 | 33 |
| Avg Max Temp (°F) | 26 | 28 | 36 | 48 | 61 | 71 | 78 | 75 | 67 | 55 | 42 | 31 | 51 |
| Avg Precip (In.) | 1.76 | 1.21 | 1.86 | 2.45 | 2.6 | 2.58 | 3.11 | 3.06 | 3.59 | 2.85 | 2.37 | 2.05 | 29.49 |