Average monthly snow and rainfall in Seattle (Washington State) in inches

This is the mean monthly precipitation over the year, including rain, snow, hail etc.
Show average precipitation in Seattle in Millimeter »

Average precipitation (rain/snow) in Seattle, United States of America   Copyright © 2021  weather-and-climate.com
  • A lot of rain (rainy season) falls in the months: January, February, November and December.
  • On average, December is the wettest month with 5.98 inch (152.0 mm) of precipitation.
  • On average, July is the driest month with 0.87 inch (22.0 mm) of precipitation.
  • The average amount of annual precipitation is: 37.99 inch (965.0 mm)


Weather Forecasts for Seattle (Washington State)

SUN Dec 05
41°F | 35°F

Patchy rain possible

MON Dec 06
40°F | 36°F

Patchy rain possible

TUE Dec 07
46°F | 41°F

Patchy rain possible

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