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Relative Humidity in Portland, Oregon, Usa

  • The average annual relative humidity is 69.7% and average monthly relative humidity ranges from 59% in July to 82% in December.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
relative humidity iconRelative Humidity (%) 79 77 71 63 61 62 59 61 65 76 80 82   69.7
dewpoint temperature iconAverage Dew Point Temperature C ( F) 0.9 (33.6) 2.7 (36.8) 3.5 (38.4) 3.9 (38.9) 6.5 (43.7) 10.1 (50.3) 11.8 (53.3) 12.5 (54.6) 10.8 (51.4) 8.4 (47.1) 4.6 (40.2) 1.8 (35.2) 6.5 (43.6)
humidity interpretation iconInterpretation A bit dry A bit dry A bit dry A bit dry A bit dry Very comfort-
able
Very comfort-
able
Comfort-
able
Very comfort-
able
A bit dry A bit dry A bit dry A bit dry


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