| 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 |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | May 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 50aa - Menominee-Drummond Lakeshore |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 49726 - Drummond Island, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 7 | 7 | 16 | 30 | 41 | 50 | 56 | 56 | 49 | 38 | 29 | 16 | 33 |
| Avg Max Temp (°F) | 24 | 26 | 35 | 47 | 60 | 69 | 75 | 74 | 65 | 53 | 41 | 30 | 50 |
| Avg Precip (In.) | 1.89 | 1.21 | 2.18 | 2.28 | 2.56 | 2.61 | 3.08 | 2.96 | 3.66 | 2.63 | 2.42 | 2.03 | 29.5 |