Mullumbimby Weather Forecast

    • 22
    • 28

    Mostly clear

    • 21
    • 32

    Partly cloudy

    • 20
    • 24

    Showers increasing

    • 17
    • 23

    Shower or two

    • 17
    • 24

    Shower or two. Becoming windy

    • 16
    • 24

    Possible shower

    • 16
    • 26

    Partly cloudy

Today 24 Dec Northern Rivers

Mostly clear. Slight chance of a shower. The chance of a thunderstorm near the Queensland border, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the late afternoon and evening. Light winds.

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  • Temperature Forecast Bureau of Meteorology

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Mullumbimby Temperature Statistics View More

December Temperature

Cape Byron (16km)

  • Lowest 3 December, 2025

    16.6 °C

  • Average December

    23.2 °C

  • Highest 10 December, 2025

    31 °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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