| San Dimas, CA | Arroyo Grande, CA | United States |
Rainfall | 19 | 20 | 38 |
Snowfall | 0 | 0 | 28 |
Precipitation | 32 | 50 | 106 |
Sunny | 277 | 286 | 205 |
Avg. July High | 91 | 73 | 86 |
Avg. Jan. Low | 45 | 43 | 22 |
Comfort Index (higher=better) | 8.9 | 8.7 | 7 |
UV Index | 6.2 | 5.3 | 4.3 |
Elevation | 955 | 118 | 2443 |