Average monthly snow and rainfall in Seattle (WA)
The mean monthly precipitation over the year in Seattle (Washington State), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: January, March, November and December.
- Seattle has dry periods in July and August.
- On average, November is the wettest month with 166 mm of precipitation.
- On average, July is the driest month with 14 mm of precipitation.
- The average amount of annual precipitation is 1009 mm.
Weather Forecasts for Seattle (WA)
broken clouds and rain
partly cloudy and no rain
almost clear and no rain