Helensburgh Weather Forecast

    • 18
    • 23

    Cloudy

    • 17
    • 27

    Partly cloudy

    • 19
    • 32

    Sunny

    • 18
    • 24

    Partly cloudy

    • 18
    • 21

    Shower or two

    • 17
    • 22

    Showers

    • 17
    • 29

    Shower or two

Today 7 Dec Wollongong

Cloudy. Slight chance of a shower. Winds south to southeasterly 25 to 35 km/h tending east to southeasterly 15 to 20 km/h during the afternoon and evening.

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Helensburgh Temperature Statistics View More

December Temperature

Bellambi (20km)

  • Lowest 2 December, 2025

    12.8 °C

  • Average December

    21.4 °C

  • Highest 5 December, 2025

    36.7 °C

Climate (2020–Present)

Bellambi (20km)

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  • Average Low 2020–2025

    15 °C

  • Average 2020–2025

    18 °C

  • Average High 2020–2025

    21.7 °C
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