| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F | |
| Average First Frost Date: | Oct. 11 - Oct. 20 | |
| Average Last Frost Date: | May 1 - May 10 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 57e - Saginaw Lake Plain | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 48640 - Midland, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 15 | 17 | 25 | 35 | 46 | 56 | 60 | 59 | 51 | 41 | 32 | 21 | 38 |
| Avg Max Temp (°F) | 29 | 33 | 43 | 57 | 71 | 80 | 84 | 81 | 73 | 61 | 46 | 34 | 58 |
| Avg Precip (In.) | 1.6 | 1.27 | 2.22 | 2.87 | 2.83 | 3.06 | 2.54 | 3.67 | 3.79 | 2.59 | 2.5 | 1.94 | 30.88 |