| | Del Monte Forest, CA | Mill Valley, CA | United States |
| Rainfall | 18.4 | 40.6 | 38.1 |
| Snowfall | 0.1 | 0 | 27.8 |
| Precipitation Days | 69.1 | 78.1 | 106.2 |
| Sunny | 266 | 255 | 205 |
| Avg. July High | 66.5 | 76.5 | 85.8 |
| Avg. Jan. Low | 42.7 | 42.9 | 21.7 |
| Comfort Index (higher=better) | 8.2 | 8.4 | 7 |
| UV Index | 5.4 | 5.2 | 4.3 |
| Elevation ft. | 207 | 82 | 2443 |