| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F 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 4b: -25°F to -20°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 48624 - Gladwin, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 9 | 11 | 20 | 31 | 42 | 51 | 56 | 54 | 46 | 35 | 27 | 17 | 33 |
| Avg Max Temp (°F) | 27 | 31 | 41 | 55 | 69 | 77 | 82 | 79 | 71 | 59 | 44 | 33 | 56 |
| Avg Precip (In.) | 1.87 | 1.3 | 2.19 | 2.56 | 2.89 | 3.22 | 2.84 | 3.68 | 3.52 | 2.63 | 2.5 | 2.08 | 31.29 |