| San Marino, CA | Altadena, CA | United States |
Rainfall | 19.3 | 22.5 | 38.1 |
Snowfall | 0 | 0 | 27.8 |
Precipitation Days | 37.1 | 37.4 | 106.2 |
Sunny | 286 | 287 | 205 |
Avg. July High | 87.7 | 86.4 | 85.8 |
Avg. Jan. Low | 46.6 | 46.7 | 21.7 |
Comfort Index (higher=better) | 9.1 | 9.1 | 7 |
UV Index | 6.2 | 6.2 | 4.3 |
Elevation ft. | 564 | 1358 | 2443 |