Mambourin Weather Forecast

    • 11
    • 22

    Cloudy

    • 10
    • 18

    Cloudy

    • 10
    • 18

    Cloudy

    • 10
    • 20

    Cloud clearing

    • 11
    • 25

    Sunny

    • 11
    • 30

    Sunny

    • 16
    • 31

    Partly cloudy

Today 24 Dec Geelong and Surf Coast

Cloudy. Slight chance of a shower. Winds westerly 25 to 35 km/h turning southwesterly 25 to 40 km/h in the early afternoon then decreasing to 15 to 25 km/h in the late evening.

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  • Temperature Forecast Bureau of Meteorology

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Mambourin Temperature Statistics View More

December Temperature

Avalon Airport (15km)

  • Lowest 7 December, 2025

    6.6 °C

  • Average December

    16.9 °C

  • Highest 18 December, 2025

    39.5 °C

Climate (2020–Present)

Avalon Airport (15km)

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  • Average Low 2020–2025

    9.6 °C

  • Average 2020–2025

    14.5 °C

  • Average High 2020–2025

    20.4 °C
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