Kiama Weather Forecast

    • 20
    • 29

    Shower or two

    • 20
    • 28

    Shower or two. Possible storm

    • 22
    • 28

    Possible shower

    • 18
    • 27

    Shower or two

    • 17
    • 27

    Shower or two

    • 17
    • 22

    Shower or two

    • 15
    • 21

    Cloudy

Today 20 Dec Illawarra

Partly cloudy. High chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm in the morning and afternoon, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding inland. Light winds becoming northwest to northeasterly 15 to 25 km/h in the middle of the day then becoming light in the evening. Overnight temperatures falling to between 17 and 21 with daytime temperatures reaching the low to mid 30s.

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Kiama Temperature Statistics View More

December Temperature

Kiama (Bombo Headland) (2km)

  • Lowest 2 December, 2025

    11.9 °C
  • Average December

    20.4 °C
  • Highest 5 December, 2025

    32.5 °C

Climate (2020–Present)

Kiama (Bombo Headland) (2km)

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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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