St Helena Island Nature Preserve Rainfall Forecast

  • No Rain
  • 5%
  • 40%
  • 65%
  • 5%
  • 30%
  • 55%
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  • Rainfall Probability Forecast NOAA

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St Helena Island Nature Preserve Rainfall Statistics

April Rainfall

Mackinac Island Airport (11.2 miles)

  • Total Rainfall April

    0.9in

  • Daily Average April

    0.05in

  • Wettest Day 12 April, 2026

    0.3in

  • Wet Days April

    6/22 (27%)

Climate (2010–Present)

Mackinac Island Airport (11.2 miles)

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  • Annual Average 2021–2025

    26.2in

  • Monthly Average 2021–2026

    2.2in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 22 June, 2024

    2.5in
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