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Portland, OR Climate
1991 to 2020 normals at Portland INTL AP, 3.4 mi from the center of Portland, elevation 19 ft.
Average weather by month
Select a month for daily normals and last year's weather
| Month | Range | High | Low | Precip. | Snow |
|---|---|---|---|---|---|
| January | 48° | 36° | 5.03 in | 1.7 in | |
| February | 52° | 37° | 3.68 in | 1.2 in | |
| March | 57° | 40° | 3.97 in | 0.1 in | |
| April | 62° | 44° | 2.89 in | 0.0 in | |
| May | 69° | 49° | 2.51 in | 0.0 in | |
| June | 74° | 54° | 1.63 in | 0.0 in | |
| July | 82° | 59° | 0.51 in | 0.0 in | |
| August | 82° | 59° | 0.54 in | 0.0 in | |
| September | 77° | 54° | 1.52 in | 0.0 in | |
| October | 64° | 47° | 3.42 in | 0.0 in | |
| November | 54° | 41° | 5.45 in | 0.0 in | |
| December | 47° | 36° | 5.77 in | 1.2 in | |
| Year | 64° | 36.92 in | 4.2 in |
Frequently asked questions
- What is the hottest month in Portland, OR?
- August is the warmest month, with a normal high of 82°F at Portland INTL AP.
- What is the coldest month in Portland, OR?
- January is the coldest month, with a normal low of 36°F.
- What is the wettest month in Portland, OR?
- December has the most precipitation on average, about 5.77 inches.