| 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 |
| 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: | 50aa - Menominee-Drummond Lakeshore |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 49817 - Cooks, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 9 | 11 | 19 | 31 | 41 | 50 | 56 | 56 | 49 | 39 | 28 | 16 | 34 |
| Avg Max Temp (°F) | 25 | 27 | 35 | 47 | 59 | 68 | 74 | 74 | 65 | 54 | 41 | 30 | 50 |
| Avg Precip (In.) | 1.74 | 1.08 | 1.95 | 2.25 | 2.6 | 3.02 | 3.08 | 3.36 | 3.38 | 2.83 | 2.55 | 1.8 | 29.62 |