| Grass Valley, CA | Willows, CA | United States |
Rainfall | 55 | 24.3 | 38.1 |
Snowfall | 11.3 | 0.1 | 27.8 |
Precipitation Days | 83.8 | 62.3 | 106.2 |
Sunny | 243 | 249 | 205 |
Avg. July High | 87.2 | 94.6 | 85.8 |
Avg. Jan. Low | 34.2 | 36.5 | 21.7 |
Comfort Index (higher=better) | 7.9 | 8.1 | 7 |
UV Index | 5 | 5 | 4.3 |
Elevation ft. | 2411 | 138 | 2443 |