Dismal Swamp Weather Forecast

    • 10
    • 19

    Shower or two. Becoming windy

    • 8
    • 19

    Cloudy

    • 9
    • 22

    Cloudy

    • 11
    • 21

    Partly cloudy

    • 8
    • 21

    Mostly sunny

    • 7
    • 24

    Mostly sunny

    • 8
    • 31

    Mostly sunny

Today 6 Dec Mount Gambier

Cloudy. High chance of showers, becoming less likely in the afternoon. Winds northwesterly 25 to 30 km/h tending westerly 30 to 45 km/h in the morning then tending southwesterly 20 to 30 km/h in the evening.

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Dismal Swamp Temperature Statistics View More

December Temperature

Mount Gambier Airport (7km)

  • Lowest 2 December, 2025

    7.7 °C

  • Average December

    15.1 °C

  • Highest 3 December, 2025

    28.6 °C

Climate (2020–Present)

Mount Gambier Airport (7km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    13.6 °C

  • Average High 2020–2025

    19.9 °C
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