Prime Beach Weather Forecast

    • 17
    • 25

    Partly cloudy

    • 13
    • 23

    Cloudy

    • 12
    • 23

    Cloudy

    • 10
    • 29

    Sunny

    • 15
    • 36

    Sunny

    • 17
    • 40

    Sunny

    • 20
    • 34

    Partly cloudy

Today 13 Dec Mid North

Partly cloudy. The chance of a thunderstorm in the east in the late morning and afternoon. Winds south to southwesterly 25 to 40 km/h. Daytime maximum temperatures around 30.

Gulf St Vincent Coastal Waters

Wind
Southerly 15 to 25 knots.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres north of Port Vincent to Brighton.
1st Swell
West to southwesterly below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A slow moving broad high pressure system in the Indian Ocean will build a ridge across coastal waters on today and establish itself south of the Bight on Sunday and Monday. The high is forecast to move east into the Tasman Sea on Tuesday while maintaining a ridge over coastal waters.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Prime Beach Temperature Statistics View More

December Temperature

Roseworthy (32km)

  • Lowest 7 December, 2025

    4.4 °C

  • Average December

    21.1 °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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