| | Narberth, PA | Ambler, PA | United States |
| Rainfall | 48.5 | 47.8 | 38.1 |
| Snowfall | 17 | 21 | 27.8 |
| Precipitation Days | 117 | 103.9 | 106.2 |
| Sunny | 203 | 203 | 205 |
| Avg. July High | 86.8 | 84.4 | 85.8 |
| Avg. Jan. Low | 24.5 | 23.1 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 7.3 | 7 |
| UV Index | 4.1 | 4.1 | 4.3 |
| Elevation ft. | 308 | 217 | 2443 |