| Plymouth, CA | Napa, CA | United States |
Rainfall | 30.1 | 27.3 | 38.1 |
Snowfall | 0.4 | 0 | 27.8 |
Precipitation Days | 66.1 | 68.6 | 106.2 |
Sunny | 263 | 260 | 205 |
Avg. July High | 94.1 | 82.4 | 85.8 |
Avg. Jan. Low | 36.8 | 37.7 | 21.7 |
Comfort Index (higher=better) | 8 | 8.4 | 7 |
UV Index | 5.1 | 5.4 | 4.3 |
Elevation ft. | 1083 | 20 | 2443 |