| Rialto, CA | Lake Arrowhead, CA | United States |
Rainfall | 14.4 | 34.7 | 38.1 |
Snowfall | 0 | 36.5 | 27.8 |
Precipitation Days | 40.1 | 40.3 | 106.2 |
Sunny | 282 | 287 | 205 |
Avg. July High | 94.9 | 81.5 | 85.8 |
Avg. Jan. Low | 41.9 | 28.5 | 21.7 |
Comfort Index (higher=better) | 8.6 | 7.6 | 7 |
UV Index | 5.7 | 5.7 | 4.3 |
Elevation ft. | 1257 | 5174 | 2443 |