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Portland
Average rainfall
ClimateForecastNovemberDecember >>

Portland (OR) Precipitation: Average Monthly Rainfall and Snowfall

This graph shows the average amount of rainfall per month in Portland (Oregon). The numbers are calculated over a 30-year period to provide a reliable average.

  • A lot of rain (rainy season) falls in the months: January, March, November and December.
  • Portland has dry periods in July and August.
  • On average, December is the wettest month with 179 mm of precipitation.
  • On average, August is the driest month with 11 mm of precipitation.
  • The average amount of annual precipitation is 1050 mm.

Current rainfall in Portland (OR)

Tue   Nov 26
9°C | 4°C
SE 11 km/h
overcast and no rain

overcast and no rain

hourly forecast
Wed   Nov 27
10°C | 5°C
S 7 km/h
broken clouds and no rain

broken clouds and no rain

hourly forecast
Thu   Nov 28
9°C | 3°C
NW 11 km/h
broken clouds and no rain

broken clouds and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

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