| Upland, CA | Surprise, AZ | United States |
Rainfall | 21 | 9.2 | 38.1 |
Snowfall | 0 | 0.1 | 27.8 |
Precipitation Days | 32.5 | 32 | 106.2 |
Sunny | 289 | 301 | 205 |
Avg. July High | 92.2 | 105.5 | 85.8 |
Avg. Jan. Low | 42.7 | 42.2 | 21.7 |
Comfort Index (higher=better) | 8.8 | 7.3 | 7 |
UV Index | 5.7 | 6.4 | 4.3 |
Elevation ft. | 1237 | 1175 | 2443 |