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Average humidity in Portland (Oregon)

The mean monthly relative humidity over the year in Portland (Oregon), the United States of America.

Average relative humidity in Portland, the United States of America Copyright © 2023 weather-and-climate.com

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  • On average, December is the most humid month, at 83.0%.
  • On average, July is the least humid month, at 63.0%.
  • The average annual percentage of humidity is: 73%


Weather Forecasts for Portland (Oregon)

Show in Celsius
Sun   May 28
24°C | 9°C
NW 11 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
Mon   May 29
26°C | 10°C
NW 18 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
Tue   May 30
23°C | 10°C
NW 18 km/h
partly cloudy and no rain

partly cloudy and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

Where to stay in Portland

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