Hawaii Volcanoes National Park Rainfall Forecast

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  • Rainfall Probability Forecast NOAA

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Hawaii Volcanoes National Park Rainfall Statistics

September Rainfall

Hilo, Hilo International Airport (35.4 miles)

  • Total Rainfall September

    16.3in

  • Daily Average September

    0.6in

  • Wettest Day 10 September, 2026

    1.8in

  • Wet Days September

    25/30 (83%)

Climate (2021–2025)

Hilo, Hilo International Airport (35.4 miles)

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  • Annual Average 2021–2025

    99.9in

  • Monthly Average 2021–2026

    8.6in

  • Daily Average 2021–2026

    0.3in

  • Wettest Day 18 February, 2023

    11.1in
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