Brunswick River - Mullumbimby Weather Forecast

    • 20
    • 24

    Showers. Becoming windy

    • 18
    • 23

    Shower or two

    • 16
    • 25

    Possible shower. Windy

    • 16
    • 25

    Becoming windy. Cloudy

    • 15
    • 26

    Partly cloudy

    • 16
    • 31

    Sunny

    • 20
    • 31

    Partly cloudy

Today 26 Dec Northern Rivers

Cloudy. High chance of showers. The chance of a thunderstorm inland in the afternoon. Winds southerly 15 to 20 km/h becoming light before dawn then becoming south to southeasterly 20 to 30 km/h in the early morning. Overnight temperatures falling to around 19 with daytime temperatures reaching the low to mid 20s.

Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Brunswick River - Mullumbimby Temperature Statistics View More

December Temperature

Cape Byron (16km)

  • Lowest 3 December, 2025

    16.6 °C

  • Average December

    23.4 °C

  • Highest 10 December, 2025

    31 °C

Climate (2020–Present)

Cape Byron (16km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    17.3 °C

  • Average 2020–2025

    20.2 °C

  • Average High 2020–2025

    23.7 °C
Get WillyWeather+ to remove ads