| 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 Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F |
| 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: | 50u - Keweenaw-Baraga Moraines |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 49916 - Chassell, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 6 | 8 | 16 | 28 | 39 | 48 | 54 | 53 | 45 | 35 | 25 | 13 | 31 |
| Avg Max Temp (°F) | 22 | 27 | 36 | 49 | 63 | 72 | 77 | 75 | 65 | 54 | 38 | 27 | 50 |
| Avg Precip (In.) | 3.91 | 2.1 | 2.38 | 1.77 | 2.58 | 2.94 | 2.97 | 2.88 | 3.3 | 2.62 | 2.76 | 3.2 | 33.42 |