| | Garrison, MT | Avon, MT | United States |
| Rainfall | 13.8 | 15.7 | 38.1 |
| Snowfall | 69.5 | 60.4 | 27.8 |
| Precipitation Days | 98.9 | 90.5 | 106.2 |
| Sunny | 184 | 178 | 205 |
| Avg. July High | 80.6 | 80.4 | 85.8 |
| Avg. Jan. Low | 13.2 | 10.6 | 21.7 |
| Comfort Index (higher=better) | 6.3 | 6.3 | 7 |
| UV Index | 3.7 | 3.7 | 4.3 |
| Elevation ft. | 4373 | 4692 | 2443 |