Seattle-Tacoma International Airport Rainfall Forecast

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  • Rainfall Probability Forecast NOAA

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Seattle-Tacoma International Airport Rainfall Statistics

December Rainfall

Seattle, Seattle-Tacoma International Airport (0 miles)

  • Total Rainfall December

    4.4in

  • Daily Average December

    0.3in

  • Wettest Day 10 December, 2025

    1.6in

  • Wet Days December

    9/15 (60%)

Climate (2010–Present)

Seattle, Seattle-Tacoma International Airport (0 miles)

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  • Annual Average 2020–2024

    38.6in

  • Monthly Average 2020–2025

    3.1in

  • Daily Average 2020–2025

    0.1in

  • Wettest Day 28 February, 2022

    3in
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