| Rancho San Diego, CA | Chula Vista, CA | United States |
Rainfall | 15 | 11 | 38 |
Snowfall | 0 | 0 | 28 |
Precipitation | 42 | 37 | 106 |
Sunny | 267 | 261 | 205 |
Avg. July High | 88 | 78 | 86 |
Avg. Jan. Low | 43 | 47 | 22 |
Comfort Index (higher=better) | 9 | 9.3 | 7 |
UV Index | 5.9 | 5.9 | 4.3 |
Elevation | 361 | 66 | 2443 |