Mummulgum Weather Forecast

    • 20
    • 28

    Cloudy

    • 19
    • 28

    Cloudy

    • 18
    • 31

    Partly cloudy

    • 17
    • 37

    Sunny

    • 20
    • 38

    Partly cloudy

    • 22
    • 39

    Partly cloudy

    • 24
    • 38

    Shower

Today 16 Dec Northern Rivers

Cloudy. Slight chance of a shower near the Queensland border, near zero chance elsewhere. Winds southeasterly 20 to 30 km/h decreasing to 15 to 20 km/h in the late evening. Daytime maximum temperatures in the mid to high 20s.

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Mummulgum Temperature Statistics View More

December Temperature

Casino Airport (25km)

  • Lowest 3 December, 2025

    11.8 °C

  • Average December

    23.6 °C

  • Highest 6 December, 2025

    35.1 °C

Climate (2020–Present)

Casino Airport (25km)

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  • Average Low 2020–2025

    13.7 °C

  • Average 2020–2025

    19.2 °C

  • Average High 2020–2025

    26.5 °C
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