Downtown (South San Francisco) Rainfall Forecast

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Downtown (South San Francisco) Rainfall Statistics

May Rainfall

San Francisco, San Francisco International Airport (3.1 miles)

  • Total Rainfall May

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  • Daily Average May

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  • Wettest Day 1 May, 2026

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  • Wet Days May

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Climate (2010–Present)

San Francisco, San Francisco International Airport (3.1 miles)

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  • Annual Average 2021–2025

    20.2in

  • Monthly Average 2021–2026

    1.7in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 24 October, 2021

    4in
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