| Covina, CA | Williams, AZ | United States |
Rainfall | 18.3 | 22.2 | 38.1 |
Snowfall | 0 | 74.3 | 27.8 |
Precipitation Days | 35.9 | 75.3 | 106.2 |
Sunny | 288 | 266 | 205 |
Avg. July High | 87.9 | 84.6 | 85.8 |
Avg. Jan. Low | 43.8 | 21.9 | 21.7 |
Comfort Index (higher=better) | 9.1 | 7.3 | 7 |
UV Index | 6.2 | 6.3 | 4.3 |
Elevation ft. | 558 | 6768 | 2443 |