Rottnest Island Airport Weather Forecast

    • 19
    • 24

    Becoming windy. Partly cloudy

    • 17
    • 27

    Windy. Sunny

    • 18
    • 25

    Becoming windy. Sunny

    • 17
    • 27

    Windy. Sunny

    • 16
    • 25

    Becoming windy. Sunny

    • 17
    • 26

    Windy. Sunny

    • 18
    • 29

    Sunny

Today 17 Dec Lower West

Partly cloudy. Winds southwesterly 20 to 30 km/h. Overnight temperatures falling to between 16 and 19 with daytime temperatures reaching the mid to high 20s.

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  • Temperature Forecast Bureau of Meteorology

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Rottnest Island Airport Temperature Statistics View More

December Temperature

Rottnest Island (3km)

  • Lowest 4 December, 2025

    16.7 °C

  • Average December

    21.6 °C

  • Highest 14 December, 2025

    37.1 °C

Climate (2020–Present)

Rottnest Island (3km)

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  • Average Low 2020–2025

    16.1 °C

  • Average 2020–2025

    19 °C

  • Average High 2020–2025

    22.8 °C
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