| Piedmont, CA | San Luis Obispo, CA | United States |
Rainfall | 25 | 20 | 38 |
Snowfall | 0 | 0 | 28 |
Precipitation | 67 | 51 | 106 |
Sunny | 264 | 287 | 205 |
Avg. July High | 72 | 74 | 86 |
Avg. Jan. Low | 44 | 43 | 22 |
Comfort Index (higher=better) | 8.7 | 8.8 | 7 |
UV Index | 5.4 | 5.3 | 4.3 |
Elevation | 331 | 233 | 2443 |