| | Exeter, CA | Yucaipa, CA | United States |
| Rainfall | 12.7 | 22.9 | 38.1 |
| Snowfall | 0.1 | 0.7 | 27.8 |
| Precipitation Days | 45.3 | 39.7 | 106.2 |
| Sunny | 270 | 283 | 205 |
| Avg. July High | 96.5 | 97.8 | 85.8 |
| Avg. Jan. Low | 37.8 | 39.3 | 21.7 |
| Comfort Index (higher=better) | 8.2 | 8.1 | 7 |
| UV Index | 5.7 | 5.7 | 4.3 |
| Elevation ft. | 390 | 2618 | 2443 |