| San Francisco, CA | Waltham, MA | United States |
Rainfall | 24.6 | 47.7 | 38.1 |
Snowfall | 0 | 50.2 | 27.8 |
Precipitation Days | 72.3 | 130.6 | 106.2 |
Sunny | 259 | 197 | 205 |
Avg. July High | 67.2 | 82.9 | 85.8 |
Avg. Jan. Low | 45.5 | 17.1 | 21.7 |
Comfort Index (higher=better) | 8.5 | 6.9 | 7 |
UV Index | 5.4 | 3.5 | 4.3 |
Elevation ft. | 52 | 66 | 2443 |