| | Denville, NJ | Montville, NJ | United States |
| Rainfall | 50.1 | 49.3 | 38.1 |
| Snowfall | 31 | 23.9 | 27.8 |
| Precipitation Days | 114.6 | 116.4 | 106.2 |
| Sunny | 206 | 206 | 205 |
| Avg. July High | 82.4 | 84.8 | 85.8 |
| Avg. Jan. Low | 18.3 | 20 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.2 | 7 |
| UV Index | 3.8 | 3.8 | 4.3 |
| Elevation ft. | 505 | 318 | 2443 |