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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)

Sat   Nov 23
10°C | 6°C
S 14 km/h
15 mm
broken clouds and rain

broken clouds and rain

hourly forecast
Sun   Nov 24
10°C | 6°C
SE 18 km/h
17 mm
overcast and heavy rain

overcast and heavy rain

hourly forecast
Mon   Nov 25
11°C | 7°C
E 14 km/h
13 mm
overcast and rain

overcast and rain

hourly forecast
5-Day Forecast 10-Day Forecast

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