Lake Alexandrina Weather Forecast

    • 16
    • 21

    Shower

    • 15
    • 23

    Sunny

    • 19
    • 28

    Sunny

    • 17
    • 19

    Partly cloudy

    • 16
    • 19

    Windy

    • 16
    • 18

    Cloudy

    • 14
    • 20

    Sunny

Today 10 Dec Upper South East

Cloudy. Medium chance of showers in the morning and afternoon. Light winds becoming south to southeasterly 15 to 25 km/h in the morning then becoming light in the late evening. Overnight temperatures falling to between 9 and 12 with daytime temperatures reaching 20 to 26.

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  • Temperature Forecast Bureau of Meteorology

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Lake Alexandrina Temperature Statistics View More

December Temperature

Strathalbyn Racecourse (29km)

  • Lowest 3 December, 2025

    8.4 °C

  • Average December

    17.8 °C

  • Highest 4 December, 2025

    35.5 °C

Climate (2020–Present)

Strathalbyn Racecourse (29km)

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  • Average Low 2020–2025

    10.3 °C

  • Average 2020–2025

    15.3 °C

  • Average High 2020–2025

    21.5 °C
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