| Billerica, MA | Ardmore, PA | United States |
Rainfall | 48 | 49 | 38 |
Snowfall | 55 | 17 | 28 |
Precipitation | 132 | 117 | 106 |
Sunny | 201 | 202 | 205 |
Avg. July High | 83 | 88 | 86 |
Avg. Jan. Low | 17 | 24 | 22 |
Comfort Index (higher=better) | 6.8 | 7.2 | 7 |
UV Index | 3.5 | 4.1 | 4.3 |
Elevation | 253 | 354 | 2443 |