| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 57a - Maumee Lake Plains |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 48066 - Roseville, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 19 | 20 | 28 | 38 | 49 | 58 | 64 | 62 | 55 | 44 | 34 | 24 | 41 |
| Avg Max Temp (°F) | 32 | 34 | 44 | 56 | 69 | 78 | 83 | 80 | 73 | 61 | 48 | 36 | 58 |
| Avg Precip (In.) | 1.85 | 1.8 | 2.42 | 3.14 | 2.89 | 3.25 | 3.37 | 3.31 | 3.33 | 2.37 | 2.71 | 2.48 | 32.94 |