| Scottsdale, AZ | Waltham, MA | United States |
Rainfall | 11 | 48 | 38 |
Snowfall | 0 | 50 | 28 |
Precipitation | 38 | 131 | 106 |
Sunny | 299 | 197 | 205 |
Avg. July High | 104 | 83 | 86 |
Avg. Jan. Low | 42 | 17 | 22 |
Comfort Index (higher=better) | 7.3 | 6.9 | 7 |
UV Index | 6.4 | 3.5 | 4.3 |
Elevation | 1257 | 66 | 2443 |