| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | 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 48703 - Au Gres, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 11 | 12 | 21 | 32 | 43 | 52 | 57 | 55 | 47 | 37 | 29 | 19 | 35 |
| Avg Max Temp (°F) | 28 | 31 | 40 | 53 | 66 | 75 | 80 | 78 | 70 | 58 | 45 | 33 | 55 |
| Avg Precip (In.) | 1.74 | 1.28 | 2.06 | 2.61 | 2.79 | 3.17 | 2.73 | 3.66 | 3.5 | 2.52 | 2.39 | 1.86 | 30.31 |