| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F |
| Average First Frost Date: | Sep. 21 - Sep. 30 |
| Average Last Frost Date: | Jun. 1 - Jun. 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 50ae - Mio Plateau |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 48651 - Prudenville, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 9 | 9 | 18 | 30 | 40 | 49 | 53 | 52 | 45 | 35 | 27 | 16 | 32 |
| Avg Max Temp (°F) | 26 | 29 | 39 | 53 | 67 | 76 | 80 | 77 | 68 | 56 | 42 | 30 | 54 |
| Avg Precip (In.) | 1.66 | 1.25 | 1.98 | 2.37 | 2.66 | 3.03 | 2.84 | 3.72 | 3.3 | 2.46 | 2.28 | 1.81 | 29.36 |