| CLIMATE | Signal Mountain | Somerville | United States |
| Rainfall (in.) | 53.2 | 48.5 | 36.5 |
| Snowfall (in.) | 4.6 | 50.8 | 25 |
| Precipitation Days | 121 | 118 | 100 |
| Sunny Days | 209 | 197 | 205 |
| Avg. July High | 90 | 82 | 86.5 |
| Avg. Jan. Low | 31 | 22.1 | 20.5 |
| Comfort Index (higher=better) | 47 | 49 | 44 |
| UV Index | 4.7 | 3.5 | 4.3 |
| Elevation ft. | 1,848 | 32 | 1,443 |
