| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | May 21 - May 31 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 51m - Manistee-Leelanau Shore |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 49630 - Empire, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 15 | 16 | 23 | 33 | 43 | 51 | 58 | 57 | 50 | 41 | 31 | 21 | 37 |
| Avg Max Temp (°F) | 28 | 32 | 41 | 53 | 67 | 76 | 80 | 78 | 70 | 59 | 45 | 33 | 55 |
| Avg Precip (In.) | 2.69 | 1.76 | 2.14 | 2.52 | 2.6 | 3.02 | 2.97 | 3.42 | 4.05 | 3.27 | 3.07 | 2.7 | 34.21 |