| 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 5b: -15°F to -10°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: | 50ah - Tawas Lake Plain | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 48610 - Alger, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 9 | 10 | 20 | 31 | 42 | 51 | 56 | 54 | 46 | 36 | 27 | 17 | 33 |
| Avg Max Temp (°F) | 28 | 31 | 41 | 54 | 68 | 77 | 81 | 79 | 70 | 58 | 44 | 32 | 55 |
| Avg Precip (In.) | 1.71 | 1.27 | 2.01 | 2.48 | 2.86 | 3.1 | 2.93 | 3.76 | 3.51 | 2.52 | 2.37 | 1.88 | 30.4 |