| | Yamhill, OR | Happy Valley, OR | United States |
| Rainfall | 41.7 | 48.1 | 38.1 |
| Snowfall | 3.6 | 1.8 | 27.8 |
| Precipitation Days | 144.7 | 156.3 | 106.2 |
| Sunny | 154 | 142 | 205 |
| Avg. July High | 81.8 | 81.1 | 85.8 |
| Avg. Jan. Low | 33.6 | 36.5 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 7.5 | 7 |
| UV Index | 3 | 2.8 | 4.3 |
| Elevation ft. | 194 | 502 | 2443 |