| 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. 21 - Oct. 31 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 57e - Saginaw Lake Plain |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 48006 - Avoca, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 15 | 16 | 24 | 35 | 46 | 55 | 60 | 59 | 51 | 40 | 31 | 21 | 38 |
| Avg Max Temp (°F) | 30 | 32 | 42 | 55 | 68 | 77 | 82 | 80 | 72 | 60 | 46 | 35 | 57 |
| Avg Precip (In.) | 1.67 | 1.37 | 2.08 | 2.82 | 2.7 | 3.11 | 3.03 | 2.96 | 3.53 | 2.46 | 2.66 | 2.13 | 30.52 |