| 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 4b: -25°F to -20°F |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | May 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 50l - Menominee Ground Moraine |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 49893 - Wallace, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 4 | 8 | 19 | 31 | 42 | 51 | 56 | 55 | 47 | 36 | 25 | 12 | 32 |
| Avg Max Temp (°F) | 25 | 29 | 39 | 52 | 66 | 75 | 80 | 78 | 69 | 57 | 42 | 29 | 53 |
| Avg Precip (In.) | 1.65 | 1.07 | 2.09 | 2.52 | 3.17 | 3.5 | 3.61 | 3.68 | 3.57 | 2.61 | 2.56 | 1.77 | 31.82 |