Harriet River Weather Forecast

    • 11
    • 19

    Partly cloudy

    • 10
    • 24

    Sunny

    • 11
    • 32

    Sunny

    • 16
    • 35

    Sunny

    • 15
    • 25

    Partly cloudy

    • 13
    • 23

    Mostly sunny

    • 13
    • 24

    Partly cloudy

Today 15 Dec Kangaroo Island

Partly cloudy. Winds southerly 20 to 30 km/h turning southeasterly in the early afternoon. Overnight temperatures falling to around 10 with daytime temperatures reaching between 18 and 21.

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  • Temperature Forecast Bureau of Meteorology

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Harriet River Temperature Statistics View More

December Temperature

Kingscote Airport (43km)

  • Lowest 7 December, 2025

    3.8 °C

  • Average December

    17.5 °C

  • Highest 12 December, 2025

    36.2 °C

Climate (2020–Present)

Kingscote Airport (43km)

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  • Average Low 2020–2025

    9.2 °C

  • Average 2020–2025

    14.7 °C

  • Average High 2020–2025

    21 °C
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