| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| 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: | 56f - Lake Michigan Moraines |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 49113 - Galien, MI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 16 | 19 | 28 | 37 | 48 | 57 | 62 | 60 | 53 | 42 | 32 | 21 | 40 |
| Avg Max Temp (°F) | 31 | 35 | 47 | 59 | 70 | 80 | 83 | 81 | 74 | 62 | 48 | 36 | 59 |
| Avg Precip (In.) | 2.25 | 1.86 | 2.8 | 3.59 | 3.65 | 4.08 | 3.66 | 3.83 | 3.86 | 3.27 | 3.46 | 3.02 | 39.31 |