| Vista, CA | Castro Valley, CA | United States |
Rainfall | 13 | 21.3 | 38.1 |
Snowfall | 0 | 0 | 27.8 |
Precipitation Days | 41.6 | 66 | 106.2 |
Sunny | 258 | 261 | 205 |
Avg. July High | 80.5 | 75.6 | 85.8 |
Avg. Jan. Low | 44.5 | 41.6 | 21.7 |
Comfort Index (higher=better) | 9.1 | 8.6 | 7 |
UV Index | 5.9 | 5.4 | 4.3 |
Elevation ft. | 325 | 161 | 2443 |