| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°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 Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F |
| 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: | 51m - Manistee-Leelanau Shore |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 49712 - Boyne City, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 11 | 20 | 31 | 41 | 50 | 56 | 55 | 48 | 38 | 29 | 19 | 34 |
| Avg Max Temp (°F) | 28 | 30 | 40 | 54 | 68 | 76 | 80 | 78 | 70 | 58 | 44 | 32 | 55 |
| Avg Precip (In.) | 2.25 | 1.33 | 1.9 | 2.36 | 2.66 | 2.68 | 3.05 | 3.59 | 3.83 | 3.37 | 2.83 | 2.37 | 32.22 |