Boulder Rainfall Forecast

  • 10%
  • 5%
  • 50%
  • No Rain
  • 5%
  • 10%
  • 20%
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  • Rainfall Probability Forecast NOAA

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Boulder Rainfall Statistics

May Rainfall

Boulder Municipal Airport (2.5 miles)

  • Total Rainfall May

    1.7in

  • Daily Average May

    0.3in

  • Wettest Day 5 May, 2026

    1.1in

  • Wet Days May

    3/8 (38%)

Climate (2010–Present)

Boulder Municipal Airport (2.5 miles)

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  • Annual Average 2021–2025

    9.7in

  • Monthly Average 2021–2026

    0.8in

  • Daily Average 2021–2026

    0.03in

  • Wettest Day 3 February, 2024

    2.1in
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