Average monthly rainy days in Portland (Oregon)

The number of days each month with rain, snow and hail in Portland, United States of America.

Average rainy days (rain/snow) in Portland, United States of America   Copyright © 2020 www.weather-and-climate.com
* Data from weather station: Portland, United States of America.
  • Most rainy days are in January, February, March, November and December.
  • On average, December is the most rainy.
  • On average, July has the least rainy days.
  • The average annual amount of rainy days is: 140.0 days

More Climate Information For Portland

Weather and Climate offers all the information you need to know about the climate in Portland.

We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in United States of America and climate and forecast data for all other countries in the world.