| | San Luis Obispo, CA | Half Moon Bay, CA | United States |
| Rainfall | 20 | 23.7 | 38.1 |
| Snowfall | 0 | 0 | 27.8 |
| Precipitation Days | 50.5 | 83.5 | 106.2 |
| Sunny | 287 | 259 | 205 |
| Avg. July High | 73.7 | 72.5 | 85.8 |
| Avg. Jan. Low | 42.8 | 42 | 21.7 |
| Comfort Index (higher=better) | 8.8 | 8.3 | 7 |
| UV Index | 5.3 | 4.9 | 4.3 |
| Elevation ft. | 233 | 75 | 2443 |