Murninnie Beach Weather Forecast

    • 14
    • 25

    Windy

    • 14
    • 24

    Windy

    • 14
    • 30

    Sunny

    • 17
    • 35

    Sunny

    • 20
    • 39

    Sunny

    • 22
    • 35

    Partly cloudy

    • 19
    • 31

    Partly cloudy

Today 14 Dec Eastern Eyre Peninsula

Clear. Winds southerly 30 to 45 km/h.

Spencer Gulf Coastal Waters

Wind
Southerly 15 to 25 knots, reaching up to 30 knots north of Cowell to Wallaroo during the afternoon and evening.
Seas
1.5 to 2.5 metres.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
Weather
Partly cloudy.
Weather Situation
A high pressure system in the Bight, maintains a ridge over SA as it slowly moves eastwards and out to the Tasman Sea by Wednesday. A trough of low pressure forecast to drift into the far northeast of SA late Wednesday, slowing moving south during Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Murninnie Beach Temperature Statistics View More

December Temperature

Whyalla Airport (32km)

  • Lowest 2 December, 2025

    10.2 °C

  • Average December

    22.1 °C

  • Highest 4 December, 2025

    40.7 °C

Climate (2020–Present)

Whyalla Airport (32km)

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  • Average Low 2020–2025

    11.8 °C

  • Average 2020–2025

    17.4 °C

  • Average High 2020–2025

    23.7 °C
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