Prime Beach Weather Forecast

    • 9
    • 29

    Clear

    • 15
    • 36

    Sunny

    • 18
    • 40

    Sunny

    • 20
    • 33

    Partly cloudy

    • 15
    • 26

    Partly cloudy

    • 15
    • 24

    Shower

    • 12
    • 24

    Partly cloudy

Today 16 Dec Mid North

Clear. Light winds.

Gulf St Vincent Coastal Waters

Wind
Southeasterly 10 to 15 knots.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 0.5 metres.
Weather
Clear.
Weather Situation
A high pressure system in Bass Strait will maintain a ridge across SA as it drifts into the Tasman Sea on Wednesday. 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.
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  • Temperature Forecast Bureau of Meteorology

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Prime Beach Temperature Statistics View More

December Temperature

Roseworthy (32km)

  • Lowest 7 December, 2025

    4.4 °C

  • Average December

    20.6 °C

  • Highest 4 December, 2025

    39.3 °C

Climate (2020–Present)

Roseworthy (32km)

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  • Average Low 2020–2025

    9.7 °C

  • Average 2020–2025

    16.2 °C

  • Average High 2020–2025

    23.6 °C
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