| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°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: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 57a - Maumee Lake Plains |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 48001 - Algonac, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 17 | 19 | 27 | 37 | 48 | 57 | 63 | 61 | 54 | 43 | 34 | 23 | 40 |
| Avg Max Temp (°F) | 31 | 33 | 43 | 55 | 68 | 77 | 81 | 80 | 72 | 60 | 47 | 36 | 57 |
| Avg Precip (In.) | 1.84 | 1.75 | 2.35 | 3.04 | 2.85 | 3.19 | 3.33 | 3.15 | 3.33 | 2.28 | 2.7 | 2.46 | 32.27 |