Harriet River Weather Forecast

    • 11
    • 26

    Sunny

    • 12
    • 21

    Mostly sunny

    • 12
    • 21

    Possible shower

    • 12
    • 24

    Sunny

    • 13
    • 29

    Mostly sunny

    • 13
    • 21

    Partly cloudy

    • 11
    • 21

    Cloudy

Today 8 Dec Kangaroo Island

Sunny. Winds northwesterly 20 to 30 km/h tending westerly in the early afternoon then becoming light in the late evening. Overnight temperatures falling to between 9 and 12 with daytime temperatures reaching 22 to 27.

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Harriet River Temperature Statistics View More

December Temperature

Kingscote Airport (43km)

  • Lowest 7 December, 2025

    3.8 °C

  • Average December

    16.6 °C

  • Highest 3 December, 2025

    32.7 °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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