Brunswick River - Mullumbimby Weather Forecast

    • 20
    • 29

    Mostly sunny

    • 18
    • 27

    Partly cloudy

    • 19
    • 26

    Shower or two

    • 19
    • 27

    Partly cloudy

    • 21
    • 30

    Partly cloudy

    • 21
    • 31

    Sunny morning. Shower or two

    • 21
    • 24

    Showers. Becoming windy

Today 10 Dec Northern Rivers

Mostly sunny. The chance of a thunderstorm in the afternoon and evening. Winds east to northeasterly 15 to 25 km/h becoming light in the late evening. Daytime maximum temperatures around 30.

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  • Temperature Forecast Bureau of Meteorology

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Brunswick River - Mullumbimby Temperature Statistics View More

December Temperature

Cape Byron (16km)

  • Lowest 3 December, 2025

    16.6 °C

  • Average December

    22.7 °C

  • Highest 1 December, 2025

    29.3 °C

Climate (2020–Present)

Cape Byron (16km)

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  • Average Low 2020–2025

    17.3 °C

  • Average 2020–2025

    20.2 °C

  • Average High 2020–2025

    23.7 °C
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