US Geography / US Weather / Oregon Weather / Portland |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 45 | 51 | 56 | 60 | 67 | 74 | 78 | 80 | 74 | 64 | 52 | 45 |
| Avg. Low | 34 | 36 | 38 | 41 | 47 | 52 | 56 | 56 | 52 | 44 | 38 | 34 |
| Mean | 40 | 44 | 47 | 51 | 57 | 64 | 68 | 68 | 64 | 55 | 46 | 40 |
| Avg. Precip. | 5.4 in | 3.9 in | 3.6 in | 2.4 in | 2.1 in | 1.5 in | 0.6 in | 1.1 in | 1.8 in | 2.7 in | 5.3 in | 6.1 in |
Degrees in Fahrenheit
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