| Waltham, MA | Lombard, IL | United States |
Rainfall | 47.7 | 38.7 | 38.1 |
Snowfall | 50.2 | 31.2 | 27.8 |
Precipitation Days | 130.6 | 120.5 | 106.2 |
Sunny | 197 | 189 | 205 |
Avg. July High | 82.9 | 83.9 | 85.8 |
Avg. Jan. Low | 17.1 | 15.3 | 21.7 |
Comfort Index (higher=better) | 6.9 | 6.9 | 7 |
UV Index | 3.5 | 3.4 | 4.3 |
Elevation ft. | 66 | 718 | 2443 |