| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5a: -20°F to -15°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: | 51m - Manistee-Leelanau Shore |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 49729 - Ellsworth, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 11 | 19 | 31 | 41 | 50 | 55 | 54 | 47 | 38 | 29 | 19 | 34 |
| Avg Max Temp (°F) | 28 | 31 | 41 | 54 | 68 | 76 | 81 | 78 | 70 | 59 | 44 | 33 | 55 |
| Avg Precip (In.) | 2.22 | 1.32 | 1.8 | 2.39 | 2.66 | 2.78 | 2.99 | 3.55 | 3.83 | 3.4 | 2.82 | 2.4 | 32.16 |