| | Mason, MI | Ionia, MI | United States |
| Rainfall | 34 | 36.1 | 38.1 |
| Snowfall | 43.6 | 62.6 | 27.8 |
| Precipitation Days | 130.7 | 119.8 | 106.2 |
| Sunny | 177 | 164 | 205 |
| Avg. July High | 82.2 | 82.4 | 85.8 |
| Avg. Jan. Low | 16.8 | 15.3 | 21.7 |
| Comfort Index (higher=better) | 6.7 | 6.6 | 7 |
| UV Index | 3.2 | 3.4 | 4.3 |
| Elevation ft. | 915 | 718 | 2443 |