Mount Rushmore National Memorial Rainfall Forecast

  • 30%
  • 50%
  • 75%
  • 30%
  • No Rain
  • 10%
  • 15%
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Mount Rushmore National Memorial Rainfall Statistics

January Rainfall

Custer, Custer County Airport (12.4 miles)

  • Total Rainfall January

    0.1in

  • Daily Average January

    0in

  • Wettest Day 23 January, 2026

    0.04in

  • Wet Days January

    5/28 (18%)

Climate (2010–Present)

Custer, Custer County Airport (12.4 miles)

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  • Annual Average 2021–2025

    18.1in

  • Monthly Average 2021–2025

    1.5in

  • Daily Average 2021–2026

    0.05in

  • Wettest Day 12 October, 2023

    2in
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