| Fontana, CA | Lake Forest, CA | United States |
Rainfall | 14 | 14.2 | 38.1 |
Snowfall | 0 | 0 | 27.8 |
Precipitation Days | 38.4 | 36.5 | 106.2 |
Sunny | 281 | 279 | 205 |
Avg. July High | 94 | 85.3 | 85.8 |
Avg. Jan. Low | 42.6 | 45.2 | 21.7 |
Comfort Index (higher=better) | 8.7 | 9.1 | 7 |
UV Index | 5.7 | 5.9 | 4.3 |
Elevation ft. | 1237 | 489 | 2443 |