| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | May 21 - May 31 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 50ac - Onaway Moraines |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 49782 - Beaver Island, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 13 | 12 | 20 | 31 | 41 | 50 | 57 | 57 | 50 | 40 | 31 | 20 | 35 |
| Avg Max Temp (°F) | 26 | 27 | 36 | 48 | 61 | 70 | 76 | 75 | 66 | 55 | 42 | 32 | 51 |
| Avg Precip (In.) | 2.29 | 1.26 | 2.14 | 2.51 | 2.7 | 2.6 | 2.66 | 3.18 | 3.69 | 3.1 | 2.56 | 2.2 | 30.89 |