| St. Helena, CA | California, MD | United States |
Rainfall | 37.1 | 45.6 | 38.1 |
Snowfall | 0 | 14.2 | 27.8 |
Precipitation Days | 70.5 | 112.3 | 106.2 |
Sunny | 263 | 207 | 205 |
Avg. July High | 88.8 | 87.8 | 85.8 |
Avg. Jan. Low | 37.6 | 28.4 | 21.7 |
Comfort Index (higher=better) | 8.3 | 7.4 | 7 |
UV Index | 5.4 | 4 | 4.3 |
Elevation ft. | 253 | 98 | 2443 |