Goolwa Weather Forecast

    • 14
    • 27

    Sunny

    • 16
    • 34

    Mostly sunny

    • 14
    • 22

    Partly cloudy

    • 12
    • 22

    Cloudy

    • 12
    • 19

    Cloudy

    • 11
    • 22

    Sunny

    • 12
    • 31

    Sunny

Today 11 Dec Mount Lofty Ranges

Mostly sunny. Slight chance of a shower near the Barossa Valley, near zero chance elsewhere. The chance of a thunderstorm in the north in the afternoon and evening. Winds east to southeasterly 20 to 30 km/h. Overnight temperatures falling to between 12 and 15 with daytime temperatures reaching 25 to 31.

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Goolwa Temperature Statistics View More

December Temperature

Hindmarsh Island (3km)

  • Lowest 3 December, 2025

    10.6 °C

  • Average December

    17.9 °C

  • Highest 4 December, 2025

    33.8 °C

Climate (2020–Present)

Hindmarsh Island (3km)

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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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