| | Yountville, CA | Forest Ranch, CA | United States |
| Rainfall | 31.2 | 65.6 | 38.1 |
| Snowfall | 0 | 2.6 | 27.8 |
| Precipitation Days | 69.3 | 86.6 | 106.2 |
| Sunny | 266 | 245 | 205 |
| Avg. July High | 85.4 | 90.9 | 85.8 |
| Avg. Jan. Low | 37.8 | 34.8 | 21.7 |
| Comfort Index (higher=better) | 8.4 | 7.7 | 7 |
| UV Index | 5.4 | 4.9 | 4.3 |
| Elevation ft. | 98 | 2415 | 2443 |