| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°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: | Sep. 21 - Sep. 30 |
| Average Last Frost Date: | Jun. 1 - Jun. 10 |
| 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 49727 - East Jordan, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 11 | 19 | 30 | 40 | 49 | 55 | 53 | 46 | 37 | 29 | 19 | 34 |
| Avg Max Temp (°F) | 28 | 31 | 41 | 54 | 69 | 77 | 81 | 79 | 71 | 59 | 44 | 33 | 56 |
| Avg Precip (In.) | 2.12 | 1.21 | 1.68 | 2.38 | 2.64 | 2.77 | 3.02 | 3.58 | 3.92 | 3.49 | 2.85 | 2.36 | 32.03 |