Big Conguinar Beach Weather Forecast

    • 12
    • 33

    Sunny

    • 17
    • 36

    Sunny

    • 17
    • 25

    Partly cloudy

    • 13
    • 22

    Possible shower

    • 13
    • 21

    Shower or two

    • 12
    • 21

    Partly cloudy

    • 13
    • 20

    Partly cloudy

Today 17 Dec Kangaroo Island

Sunny. Winds northwest to northeasterly 15 to 25 km/h tending northwest to southwesterly 15 to 20 km/h in the late afternoon then tending southeast to southwesterly in the evening. Daytime maximum temperatures in the low to mid 30s.

Investigator Strait Coastal Waters

Wind
Variable about 10 knots.
Seas
Below 1 metre.
1st Swell
Southerly 1 to 1.5 metres through the Backstairs Passage, decreasing to around 1 metre during the morning.
Weather
Sunny.
Weather Situation
A high pressure system drifts into the Tasman Sea today. A trough of low pressure will briefly enter the far northeast of SA with another trough slowly moving across the south and west on Thursday. In the wake of the trough a south to southwesterly flow will establish across the coasts on Friday, continuing into Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Big Conguinar Beach Temperature Statistics View More

December Temperature

Cape Willoughby (24km)

  • Lowest 2 December, 2025

    10.7 °C

  • Average December

    16.6 °C

  • Highest 3 December, 2025

    27.7 °C

Climate (2020–Present)

Cape Willoughby (24km)

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  • Average Low 2020–2025

    13.3 °C

  • Average 2020–2025

    15.3 °C

  • Average High 2020–2025

    18.4 °C
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