| | Milton-Freewater, OR | Arlington, OR | United States |
| Rainfall | 18.4 | 10.7 | 38.1 |
| Snowfall | 9.2 | 5.5 | 27.8 |
| Precipitation Days | 104.1 | 67.5 | 106.2 |
| Sunny | 189 | 195 | 205 |
| Avg. July High | 89.2 | 88.5 | 85.8 |
| Avg. Jan. Low | 29.1 | 28.5 | 21.7 |
| Comfort Index (higher=better) | 7.4 | 7.6 | 7 |
| UV Index | 3.2 | 2.9 | 4.3 |
| Elevation ft. | 1043 | 285 | 2443 |