| Upland, CA | Perris, CA | United States |
Rainfall | 21 | 11.9 | 38.1 |
Snowfall | 0 | 0 | 27.8 |
Precipitation Days | 32.5 | 31.6 | 106.2 |
Sunny | 289 | 275 | 205 |
Avg. July High | 92.2 | 98.4 | 85.8 |
Avg. Jan. Low | 42.7 | 37.1 | 21.7 |
Comfort Index (higher=better) | 8.8 | 8.2 | 7 |
UV Index | 5.7 | 5.7 | 4.3 |
Elevation ft. | 1237 | 1453 | 2443 |