Harriet River Weather Forecast

    • 16
    • 31

    Partly cloudy

    • 13
    • 20

    Cloudy

    • 11
    • 20

    Partly cloudy

    • 11
    • 22

    Sunny

    • 12
    • 26

    Sunny

    • 13
    • 24

    Partly cloudy

    • 13
    • 23

    Partly cloudy

Today 29 Dec Kangaroo Island

Becoming cloudy. Winds northwest to northeasterly 15 to 25 km/h tending northwest to southwesterly in the middle of the day then tending southerly 25 to 35 km/h in the early afternoon. Daytime maximum temperatures in the low to mid 30s.

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Harriet River Temperature Statistics View More

December Temperature

Kingscote Airport (43km)

  • Lowest 7 December, 2025

    3.8 °C

  • Average December

    17.7 °C

  • Highest 18 December, 2025

    41 °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

    21.1 °C
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