Goolwa Barrage Weather Forecast

    • 13
    • 20

    Cloudy

    • 13
    • 19

    Cloudy

    • 12
    • 22

    Mostly sunny

    • 14
    • 30

    Mostly sunny

    • 15
    • 33

    Sunny

    • 18
    • 35

    Mostly sunny

    • 19
    • 30

    Partly cloudy

Today 24 Dec Mount Lofty Ranges

Partly cloudy. Slight chance of a shower about the southern Fleurieu Peninsula, near zero chance elsewhere. Winds southwesterly 15 to 25 km/h turning south to southeasterly 20 to 30 km/h during the afternoon and evening. Overnight temperatures falling to between 8 and 12 with daytime temperatures reaching between 19 and 24.

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Goolwa Barrage Temperature Statistics View More

December Temperature

Hindmarsh Island (1km)

  • Lowest 16 December, 2025

    9.3 °C

  • Average December

    18.5 °C

  • Highest 18 December, 2025

    40.9 °C

Climate (2020–Present)

Hindmarsh Island (1km)

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  • Average Low 2020–2025

    12 °C

  • Average 2020–2025

    15.7 °C

  • Average High 2020–2025

    20.5 °C
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