Mount Saint Thomas Weather Forecast

    • 20
    • 31

    Shower or two

    • 20
    • 31

    Shower or two. Possible storm

    • 23
    • 30

    Shower or two

    • 18
    • 28

    Shower or two

    • 16
    • 30

    Shower or two

    • 16
    • 23

    Shower or two

    • 15
    • 22

    Possible shower

Today 20 Dec Wollongong

Partly cloudy. Medium chance of showers, becoming less likely this afternoon. The chance of a thunderstorm during the morning and afternoon. Winds southwesterly 15 to 20 km/h shifting north to northeasterly 20 to 30 km/h in the morning then tending north to northwesterly 15 to 20 km/h in the evening.

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Mount Saint Thomas Temperature Statistics View More

December Temperature

Bellambi (9km)

  • Lowest 2 December, 2025

    12.8 °C

  • Average December

    20.9 °C

  • Highest 5 December, 2025

    36.7 °C

Climate (2020–Present)

Bellambi (9km)

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  • Average Low 2020–2025

    15 °C

  • Average 2020–2025

    18 °C

  • Average High 2020–2025

    21.8 °C
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