Germein Bay Weather Forecast

    • 12
    • 31

    Clear

    • 11
    • 32

    Sunny

    • 13
    • 35

    Sunny

    • 15
    • 29

    Sunny

    • 12
    • 28

    Mostly sunny

    • 13
    • 33

    Sunny

    • 16
    • 41

    Sunny

Today 31 Dec Mid North

Clear. Winds south to southeasterly 20 to 30 km/h.

Spencer Gulf Coastal Waters

Wind
South to southeasterly 20 to 25 knots, reaching up to 30 knots north of Cowell to Wallaroo.
Seas
1.5 to 2 metres.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Clear.
Weather Situation
A ridge of high pressure sits to the south of the Bight, extending a ridge over most of the state while a trough lingers in the far north. These features will remain relatively unchanged until Saturday, when a new high pressure system moves through the Bight and over the southeast by Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Germein Bay Temperature Statistics View More

December Temperature

Whyalla Airport (49km)

  • Lowest 2 December, 2025

    10.2 °C
  • Average December

    22.4 °C
  • Highest 18 December, 2025

    42.6 °C

Climate (2020–Present)

Whyalla Airport (49km)

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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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