| | Helena, MT | Eureka, MT | United States |
| Rainfall | 12.6 | 17 | 38.1 |
| Snowfall | 42.1 | 49.3 | 27.8 |
| Precipitation Days | 89.6 | 102.5 | 106.2 |
| Sunny | 189 | 152 | 205 |
| Avg. July High | 83.4 | 83.2 | 85.8 |
| Avg. Jan. Low | 13.8 | 16.5 | 21.7 |
| Comfort Index (higher=better) | 6.6 | 6.4 | 7 |
| UV Index | 3.9 | 3 | 4.3 |
| Elevation ft. | 4045 | 2582 | 2443 |