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 © 2022  weather-and-climate.com

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  • A lot of rain (rainy season) falls in the months: January, March, November and December.
  • On average, November is the wettest month with 6.4 inch (162 mm) of precipitation.
  • On average, July is the driest month with 0.6 inch (16 mm) of precipitation.
  • The average amount of annual precipitation is: 39.3 inch (997 mm)

Weather Forecasts for Seattle (Washington State)

MON   Dec 05
38°F | 32°F
E 2 mph


TUE   Dec 06
40°F | 34°F
SE 6 mph
0.04 in
Patchy rain possible

Patchy rain possible

WED   Dec 07
44°F | 39°F
SSE 5 mph
0.11 in
Patchy rain possible

Patchy rain possible

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