| CLIMATE | Castle Rock | La Crescenta-Montrose | United States |
| Rainfall (in.) | 17.1 | 23 | 36.5 |
| Snowfall (in.) | 58.9 | 0.2 | 25 |
| Precipitation Days | 66 | 36 | 100 |
| Sunny Days | 243 | 281 | 205 |
| Avg. July High | 86 | 89 | 86.5 |
| Avg. Jan. Low | 13.3 | 43 | 20.5 |
| Comfort Index (higher=better) | 58 | 47 | 44 |
| UV Index | 4.8 | 6.2 | 4.3 |
| Elevation ft. | 6,356 | 1,816 | 1,443 |