Seattle / Tacoma International Airport weather averages, Washington

Seattle / Tacoma International Airport weather averages include temperature, rainfall & sunshine figures for every month of the year. Check the weather at Seattle / Tacoma International Airport (SEA), Washington, USA before you book your next flight.

Maximum temperature (°C) at Seattle / Tacoma International Airport

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Monthly rainfall (mm) at Seattle / Tacoma International Airport

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Hours of sunshine at Seattle / Tacoma International Airport

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

The Washington weather averages are provided by Weather2Travel.com. For more weather guides on Washington, USA visit the Washington weather averages section.

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