| 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 5b: -15°F to -10°F Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°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: | 50l - Menominee Ground Moraine |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 49807 - Bark River, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 6 | 8 | 18 | 29 | 40 | 49 | 55 | 54 | 46 | 36 | 25 | 13 | 32 |
| Avg Max Temp (°F) | 25 | 29 | 37 | 50 | 64 | 73 | 78 | 76 | 68 | 56 | 41 | 29 | 52 |
| Avg Precip (In.) | 1.54 | 1.02 | 2.05 | 2.4 | 3.04 | 3.29 | 3.56 | 3.67 | 3.55 | 2.66 | 2.52 | 1.65 | 30.96 |