Kiama Heights Weather Forecast

    • 16
    • 23

    Shower or two

    • 17
    • 21

    Shower or two

    • 16
    • 22

    Partly cloudy

    • 17
    • 24

    Mostly sunny

    • 19
    • 26

    Shower or two. Possible storm

    • 20
    • 26

    Possible shower

    • 20
    • 25

    Partly cloudy

Today 31 Dec Illawarra

Becoming cloudy. Medium chance of showers, most likely during this afternoon and evening. The chance of a thunderstorm during this afternoon and evening, possibly severe with damaging winds about the Southern Highlands. Light winds becoming east to southeasterly 15 to 25 km/h in the morning then tending south to southeasterly 15 to 20 km/h in the evening. Daytime maximum temperatures in the low to mid 20s.

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Kiama Heights Temperature Statistics View More

December Temperature

Kiama (Bombo Headland) (5km)

  • Lowest 2 December, 2025

    11.9 °C

  • Average December

    20.2 °C

  • Highest 5 December, 2025

    32.5 °C

Climate (2020–Present)

Kiama (Bombo Headland) (5km)

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  • Average Low 2020–2025

    14.7 °C

  • Average 2020–2025

    17.8 °C

  • Average High 2020–2025

    21.4 °C
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