| | Williams, CA | Arcata, CA | United States |
| Rainfall | 25 | 46 | 38.1 |
| Snowfall | 0 | 0.5 | 27.8 |
| Precipitation Days | 58.6 | 123.6 | 106.2 |
| Sunny | 264 | 175 | 205 |
| Avg. July High | 94.8 | 64.6 | 85.8 |
| Avg. Jan. Low | 38.3 | 40.9 | 21.7 |
| Comfort Index (higher=better) | 8.1 | 7.6 | 7 |
| UV Index | 5.1 | 5 | 4.3 |
| Elevation ft. | 82 | 23 | 2443 |