Portland OR enjoys a west coast marine climate characterized by cool wet winter months and warm dry summers. Because it is some distance from the Pacific Ocean, the climate is less moderate than at the seaside communities of Seaside, Cannon Beach, etc.
Average temperatures for Portland Oregon are as follows:
| Month | Minimum | Maximum | Precipitation |
| Jan | 33 | 45 | 5.35 |
| April | 41 | 60 | 2.39 |
| July | 56 | 80 | 0.63 |
| Oct | 44 | 64 | 2.70 |
