Austin Bay Weather Forecast

    • 12
    • 28

    Sunny

    • 14
    • 29

    Partly cloudy

    • 15
    • 32

    Mostly sunny

    • 16
    • 35

    Sunny

    • 19
    • 33

    Sunny

    • 17
    • 33

    Mostly sunny

    • 15
    • 34

    Sunny

Today 7 Dec Lower West

Sunny. Light winds becoming west to southwesterly 20 to 30 km/h in the morning then tending south to southwesterly in the late afternoon. Daytime maximum temperatures 26 to 33.

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Austin Bay Temperature Statistics View More

December Temperature

Mandurah (13km)

  • Lowest 4 December, 2025

    16.1 °C

  • Average December

    21.3 °C

  • Highest 1 December, 2025

    35.7 °C

Climate (2020–Present)

Mandurah (13km)

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  • Average Low 2020–2025

    15.1 °C

  • Average 2020–2025

    19.2 °C

  • Average High 2020–2025

    23.8 °C
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