Grassy Island Rainfall Forecast

  • 30%< 1mm
  • 25%< 1mm
  • 30%< 1mm
  • 60%< 2mm
  • 35%< 1mm
  • 10%< 1mm
  • 15%< 1mm
Graph Plots Open in Graphs

  • Rainfall Probability Forecast Bureau of Meteorology

  • Rain Today Real-Time

Grassy Island Rainfall Statistics View More

September Rainfall

City Of Melbourne Bay (26km)

  • Total Rainfall September

    43.4mm

  • Daily Average September

    2.7mm

  • Wettest Day 2 September, 2026

    11mm

  • Wet Days September

    15/17 (88%)

Climate (2021–2025)

City Of Melbourne Bay (26km)

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  • Annual Average 2021–2025

    1004.1mm

  • Monthly Average 2021–2026

    81.1mm

  • Daily Average 2021–2026

    2.7mm

  • Wettest Day 7 May, 2022

    55.6mm
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