Helensburgh Weather Forecast

    • 17
    • 21

    Cloudy

    • 18
    • 26

    Partly cloudy

    • 19
    • 33

    Mostly sunny

    • 22
    • 34

    Possible shower or storm

    • 21
    • 30

    Shower or two. Possible storm

    • 21
    • 31

    Shower or two. Possible storm

    • 20
    • 27

    Mostly sunny

Today 16 Dec Wollongong

Cloudy. Slight chance of a shower, becoming less likely in the afternoon. Winds easterly 15 to 20 km/h turning north to northeasterly in the evening.

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Helensburgh Temperature Statistics View More

December Temperature

Bellambi (20km)

  • Lowest 2 December, 2025

    12.8 °C

  • Average December

    20.9 °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

    21.8 °C
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