| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°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.11 - Sep. 20 |
| Average Last Frost Date: | Jun. 1 - Jun. 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 50ab - Cheboygan Lake Plain |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 49716 - Brutus, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 8 | 7 | 17 | 29 | 40 | 49 | 55 | 53 | 45 | 36 | 28 | 16 | 32 |
| Avg Max Temp (°F) | 25 | 28 | 37 | 51 | 66 | 74 | 79 | 77 | 67 | 56 | 42 | 31 | 53 |
| Avg Precip (In.) | 2.37 | 1.57 | 2.21 | 2.58 | 2.69 | 2.64 | 2.76 | 3.35 | 3.85 | 3.17 | 2.84 | 2.43 | 32.44 |