St Marys Weather Forecast

    • 7
    • 22

    Shower or two

    • 7
    • 18

    Partly cloudy

    • 9
    • 19

    Shower or two

    • 10
    • 21

    Partly cloudy

    • 7
    • 20

    Partly cloudy

    • 7
    • 20

    Sunny

    • 8
    • 21

    Sunny

Today 6 Dec East Coast

Partly cloudy. High chance of showers, becoming less likely later this evening. Possible small hail in the south later tonight. Winds westerly 20 to 30 km/h.

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  • Temperature Forecast Bureau of Meteorology

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St Marys Temperature Statistics View More

December Temperature

St Helens Aerodrome (28km)

  • Lowest 2 December, 2025

    6.6 °C

  • Average December

    15.4 °C

  • Highest 4 December, 2025

    27.3 °C

Climate (2020–Present)

St Helens Aerodrome (28km)

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  • Average Low 2020–2025

    9.3 °C

  • Average 2020–2025

    13.3 °C

  • Average High 2020–2025

    18.2 °C
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