| | National City, CA | El Cajon, CA | United States |
| Rainfall | 9.9 | 14.1 | 38.1 |
| Snowfall | 0 | 0 | 27.8 |
| Precipitation Days | 37.7 | 39.5 | 106.2 |
| Sunny | 258 | 260 | 205 |
| Avg. July High | 76.1 | 86.1 | 85.8 |
| Avg. Jan. Low | 48.5 | 43.7 | 21.7 |
| Comfort Index (higher=better) | 9.3 | 9.1 | 7 |
| UV Index | 5.9 | 5.9 | 4.3 |
| Elevation ft. | 66 | 433 | 2443 |