| | Grass Lake, MI | Gladstone, MI | United States |
| Rainfall | 32.9 | 29.6 | 38.1 |
| Snowfall | 41.3 | 52.1 | 27.8 |
| Precipitation Days | 133.2 | 121.4 | 106.2 |
| Sunny | 178 | 185 | 205 |
| Avg. July High | 82.3 | 77 | 85.8 |
| Avg. Jan. Low | 15.5 | 8.8 | 21.7 |
| Comfort Index (higher=better) | 6.7 | 6.2 | 7 |
| UV Index | 3.2 | 3.1 | 4.3 |
| Elevation ft. | 997 | 604 | 2443 |