| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| 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: | 56f - Lake Michigan Moraines |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 49426 - Hudsonville, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 16 | 18 | 26 | 36 | 46 | 55 | 59 | 58 | 51 | 40 | 31 | 22 | 38 |
| Avg Max Temp (°F) | 30 | 33 | 44 | 56 | 69 | 77 | 82 | 80 | 72 | 60 | 46 | 35 | 57 |
| Avg Precip (In.) | 2.32 | 1.59 | 2.48 | 3.28 | 3.35 | 3.58 | 3.29 | 3.88 | 4 | 2.95 | 3.33 | 2.83 | 36.86 |